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-rw-r--r--lib/Sema/AttributeList.cpp21
-rw-r--r--lib/Sema/JumpDiagnostics.cpp9
-rw-r--r--lib/Sema/Sema.cpp67
-rw-r--r--lib/Sema/SemaAttr.cpp213
-rw-r--r--lib/Sema/SemaCXXScopeSpec.cpp2
-rw-r--r--lib/Sema/SemaChecking.cpp4
-rw-r--r--lib/Sema/SemaCoroutine.cpp85
-rw-r--r--lib/Sema/SemaDecl.cpp5
-rw-r--r--lib/Sema/SemaDeclAttr.cpp28
-rw-r--r--lib/Sema/SemaDeclCXX.cpp2
-rw-r--r--lib/Sema/SemaDeclObjC.cpp13
-rw-r--r--lib/Sema/SemaExpr.cpp6
-rw-r--r--lib/Sema/SemaOpenMP.cpp88
-rw-r--r--lib/Sema/SemaStmt.cpp1
-rw-r--r--lib/Sema/SemaTemplate.cpp21
-rw-r--r--lib/Sema/SemaTemplateInstantiate.cpp7
16 files changed, 488 insertions, 84 deletions
diff --git a/lib/Sema/AttributeList.cpp b/lib/Sema/AttributeList.cpp
index 55e9601bf5e5..724db456785f 100644
--- a/lib/Sema/AttributeList.cpp
+++ b/lib/Sema/AttributeList.cpp
@@ -16,6 +16,7 @@
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/Expr.h"
+#include "clang/Basic/AttrSubjectMatchRules.h"
#include "clang/Basic/IdentifierTable.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Sema/SemaInternal.h"
@@ -160,12 +161,16 @@ struct ParsedAttrInfo {
unsigned IsType : 1;
unsigned IsStmt : 1;
unsigned IsKnownToGCC : 1;
+ unsigned IsSupportedByPragmaAttribute : 1;
bool (*DiagAppertainsToDecl)(Sema &S, const AttributeList &Attr,
const Decl *);
bool (*DiagLangOpts)(Sema &S, const AttributeList &Attr);
bool (*ExistsInTarget)(const TargetInfo &Target);
unsigned (*SpellingIndexToSemanticSpelling)(const AttributeList &Attr);
+ void (*GetPragmaAttributeMatchRules)(
+ llvm::SmallVectorImpl<std::pair<attr::SubjectMatchRule, bool>> &Rules,
+ const LangOptions &LangOpts);
};
namespace {
@@ -192,6 +197,18 @@ bool AttributeList::diagnoseAppertainsTo(Sema &S, const Decl *D) const {
return getInfo(*this).DiagAppertainsToDecl(S, *this, D);
}
+bool AttributeList::appliesToDecl(const Decl *D,
+ attr::SubjectMatchRule MatchRule) const {
+ return checkAttributeMatchRuleAppliesTo(D, MatchRule);
+}
+
+void AttributeList::getMatchRules(
+ const LangOptions &LangOpts,
+ SmallVectorImpl<std::pair<attr::SubjectMatchRule, bool>> &MatchRules)
+ const {
+ return getInfo(*this).GetPragmaAttributeMatchRules(MatchRules, LangOpts);
+}
+
bool AttributeList::diagnoseLangOpts(Sema &S) const {
return getInfo(*this).DiagLangOpts(S, *this);
}
@@ -216,6 +233,10 @@ bool AttributeList::isKnownToGCC() const {
return getInfo(*this).IsKnownToGCC;
}
+bool AttributeList::isSupportedByPragmaAttribute() const {
+ return getInfo(*this).IsSupportedByPragmaAttribute;
+}
+
unsigned AttributeList::getSemanticSpelling() const {
return getInfo(*this).SpellingIndexToSemanticSpelling(*this);
}
diff --git a/lib/Sema/JumpDiagnostics.cpp b/lib/Sema/JumpDiagnostics.cpp
index 899d3fa83cc3..865aea9e2284 100644
--- a/lib/Sema/JumpDiagnostics.cpp
+++ b/lib/Sema/JumpDiagnostics.cpp
@@ -287,6 +287,15 @@ void JumpScopeChecker::BuildScopeInformation(Stmt *S,
IndirectJumpTargets.push_back(cast<AddrLabelExpr>(S)->getLabel());
break;
+ case Stmt::ObjCForCollectionStmtClass: {
+ auto *CS = cast<ObjCForCollectionStmt>(S);
+ unsigned Diag = diag::note_protected_by_objc_fast_enumeration;
+ unsigned NewParentScope = Scopes.size();
+ Scopes.push_back(GotoScope(ParentScope, Diag, 0, S->getLocStart()));
+ BuildScopeInformation(CS->getBody(), NewParentScope);
+ return;
+ }
+
case Stmt::IndirectGotoStmtClass:
// "goto *&&lbl;" is a special case which we treat as equivalent
// to a normal goto. In addition, we don't calculate scope in the
diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index 294b56059b33..950f04088822 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -71,42 +71,35 @@ void Sema::ActOnTranslationUnitScope(Scope *S) {
}
Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
- TranslationUnitKind TUKind,
- CodeCompleteConsumer *CodeCompleter)
- : ExternalSource(nullptr),
- isMultiplexExternalSource(false), FPFeatures(pp.getLangOpts()),
- LangOpts(pp.getLangOpts()), PP(pp), Context(ctxt), Consumer(consumer),
- Diags(PP.getDiagnostics()), SourceMgr(PP.getSourceManager()),
- CollectStats(false), CodeCompleter(CodeCompleter),
- CurContext(nullptr), OriginalLexicalContext(nullptr),
- MSStructPragmaOn(false),
- MSPointerToMemberRepresentationMethod(
- LangOpts.getMSPointerToMemberRepresentationMethod()),
- VtorDispStack(MSVtorDispAttr::Mode(LangOpts.VtorDispMode)),
- PackStack(0), DataSegStack(nullptr), BSSSegStack(nullptr),
- ConstSegStack(nullptr), CodeSegStack(nullptr), CurInitSeg(nullptr),
- VisContext(nullptr),
- IsBuildingRecoveryCallExpr(false),
- Cleanup{}, LateTemplateParser(nullptr),
- LateTemplateParserCleanup(nullptr), OpaqueParser(nullptr), IdResolver(pp),
- StdExperimentalNamespaceCache(nullptr), StdInitializerList(nullptr),
- CXXTypeInfoDecl(nullptr), MSVCGuidDecl(nullptr),
- NSNumberDecl(nullptr), NSValueDecl(nullptr),
- NSStringDecl(nullptr), StringWithUTF8StringMethod(nullptr),
- ValueWithBytesObjCTypeMethod(nullptr),
- NSArrayDecl(nullptr), ArrayWithObjectsMethod(nullptr),
- NSDictionaryDecl(nullptr), DictionaryWithObjectsMethod(nullptr),
- GlobalNewDeleteDeclared(false),
- TUKind(TUKind),
- NumSFINAEErrors(0),
- CachedFakeTopLevelModule(nullptr),
- AccessCheckingSFINAE(false), InNonInstantiationSFINAEContext(false),
- NonInstantiationEntries(0), ArgumentPackSubstitutionIndex(-1),
- CurrentInstantiationScope(nullptr), DisableTypoCorrection(false),
- TyposCorrected(0), AnalysisWarnings(*this), ThreadSafetyDeclCache(nullptr),
- VarDataSharingAttributesStack(nullptr), CurScope(nullptr),
- Ident_super(nullptr), Ident___float128(nullptr)
-{
+ TranslationUnitKind TUKind, CodeCompleteConsumer *CodeCompleter)
+ : ExternalSource(nullptr), isMultiplexExternalSource(false),
+ FPFeatures(pp.getLangOpts()), LangOpts(pp.getLangOpts()), PP(pp),
+ Context(ctxt), Consumer(consumer), Diags(PP.getDiagnostics()),
+ SourceMgr(PP.getSourceManager()), CollectStats(false),
+ CodeCompleter(CodeCompleter), CurContext(nullptr),
+ OriginalLexicalContext(nullptr), MSStructPragmaOn(false),
+ MSPointerToMemberRepresentationMethod(
+ LangOpts.getMSPointerToMemberRepresentationMethod()),
+ VtorDispStack(MSVtorDispAttr::Mode(LangOpts.VtorDispMode)), PackStack(0),
+ DataSegStack(nullptr), BSSSegStack(nullptr), ConstSegStack(nullptr),
+ CodeSegStack(nullptr), CurInitSeg(nullptr), VisContext(nullptr),
+ PragmaAttributeCurrentTargetDecl(nullptr),
+ IsBuildingRecoveryCallExpr(false), Cleanup{}, LateTemplateParser(nullptr),
+ LateTemplateParserCleanup(nullptr), OpaqueParser(nullptr), IdResolver(pp),
+ StdExperimentalNamespaceCache(nullptr), StdInitializerList(nullptr),
+ CXXTypeInfoDecl(nullptr), MSVCGuidDecl(nullptr), NSNumberDecl(nullptr),
+ NSValueDecl(nullptr), NSStringDecl(nullptr),
+ StringWithUTF8StringMethod(nullptr),
+ ValueWithBytesObjCTypeMethod(nullptr), NSArrayDecl(nullptr),
+ ArrayWithObjectsMethod(nullptr), NSDictionaryDecl(nullptr),
+ DictionaryWithObjectsMethod(nullptr), GlobalNewDeleteDeclared(false),
+ TUKind(TUKind), NumSFINAEErrors(0), CachedFakeTopLevelModule(nullptr),
+ AccessCheckingSFINAE(false), InNonInstantiationSFINAEContext(false),
+ NonInstantiationEntries(0), ArgumentPackSubstitutionIndex(-1),
+ CurrentInstantiationScope(nullptr), DisableTypoCorrection(false),
+ TyposCorrected(0), AnalysisWarnings(*this),
+ ThreadSafetyDeclCache(nullptr), VarDataSharingAttributesStack(nullptr),
+ CurScope(nullptr), Ident_super(nullptr), Ident___float128(nullptr) {
TUScope = nullptr;
LoadedExternalKnownNamespaces = false;
@@ -731,6 +724,8 @@ void Sema::ActOnEndOfTranslationUnit() {
CheckDelayedMemberExceptionSpecs();
}
+ DiagnoseUnterminatedPragmaAttribute();
+
// All delayed member exception specs should be checked or we end up accepting
// incompatible declarations.
// FIXME: This is wrong for TUKind == TU_Prefix. In that case, we need to
diff --git a/lib/Sema/SemaAttr.cpp b/lib/Sema/SemaAttr.cpp
index c6e3cc886316..76ca65373dda 100644
--- a/lib/Sema/SemaAttr.cpp
+++ b/lib/Sema/SemaAttr.cpp
@@ -368,6 +368,219 @@ void Sema::AddCFAuditedAttribute(Decl *D) {
D->addAttr(CFAuditedTransferAttr::CreateImplicit(Context, Loc));
}
+namespace {
+
+Optional<attr::SubjectMatchRule>
+getParentAttrMatcherRule(attr::SubjectMatchRule Rule) {
+ using namespace attr;
+ switch (Rule) {
+ default:
+ return None;
+#define ATTR_MATCH_RULE(Value, Spelling, IsAbstract)
+#define ATTR_MATCH_SUB_RULE(Value, Spelling, IsAbstract, Parent, IsNegated) \
+ case Value: \
+ return Parent;
+#include "clang/Basic/AttrSubMatchRulesList.inc"
+ }
+}
+
+bool isNegatedAttrMatcherSubRule(attr::SubjectMatchRule Rule) {
+ using namespace attr;
+ switch (Rule) {
+ default:
+ return false;
+#define ATTR_MATCH_RULE(Value, Spelling, IsAbstract)
+#define ATTR_MATCH_SUB_RULE(Value, Spelling, IsAbstract, Parent, IsNegated) \
+ case Value: \
+ return IsNegated;
+#include "clang/Basic/AttrSubMatchRulesList.inc"
+ }
+}
+
+CharSourceRange replacementRangeForListElement(const Sema &S,
+ SourceRange Range) {
+ // Make sure that the ',' is removed as well.
+ SourceLocation AfterCommaLoc = Lexer::findLocationAfterToken(
+ Range.getEnd(), tok::comma, S.getSourceManager(), S.getLangOpts(),
+ /*SkipTrailingWhitespaceAndNewLine=*/false);
+ if (AfterCommaLoc.isValid())
+ return CharSourceRange::getCharRange(Range.getBegin(), AfterCommaLoc);
+ else
+ return CharSourceRange::getTokenRange(Range);
+}
+
+std::string
+attrMatcherRuleListToString(ArrayRef<attr::SubjectMatchRule> Rules) {
+ std::string Result;
+ llvm::raw_string_ostream OS(Result);
+ for (const auto &I : llvm::enumerate(Rules)) {
+ if (I.index())
+ OS << (I.index() == Rules.size() - 1 ? ", and " : ", ");
+ OS << "'" << attr::getSubjectMatchRuleSpelling(I.value()) << "'";
+ }
+ return OS.str();
+}
+
+} // end anonymous namespace
+
+void Sema::ActOnPragmaAttributePush(AttributeList &Attribute,
+ SourceLocation PragmaLoc,
+ attr::ParsedSubjectMatchRuleSet Rules) {
+ SmallVector<attr::SubjectMatchRule, 4> SubjectMatchRules;
+ // Gather the subject match rules that are supported by the attribute.
+ SmallVector<std::pair<attr::SubjectMatchRule, bool>, 4>
+ StrictSubjectMatchRuleSet;
+ Attribute.getMatchRules(LangOpts, StrictSubjectMatchRuleSet);
+
+ // Figure out which subject matching rules are valid.
+ if (StrictSubjectMatchRuleSet.empty()) {
+ // Check for contradicting match rules. Contradicting match rules are
+ // either:
+ // - a top-level rule and one of its sub-rules. E.g. variable and
+ // variable(is_parameter).
+ // - a sub-rule and a sibling that's negated. E.g.
+ // variable(is_thread_local) and variable(unless(is_parameter))
+ llvm::SmallDenseMap<int, std::pair<int, SourceRange>, 2>
+ RulesToFirstSpecifiedNegatedSubRule;
+ for (const auto &Rule : Rules) {
+ attr::SubjectMatchRule MatchRule = attr::SubjectMatchRule(Rule.first);
+ Optional<attr::SubjectMatchRule> ParentRule =
+ getParentAttrMatcherRule(MatchRule);
+ if (!ParentRule)
+ continue;
+ auto It = Rules.find(*ParentRule);
+ if (It != Rules.end()) {
+ // A sub-rule contradicts a parent rule.
+ Diag(Rule.second.getBegin(),
+ diag::err_pragma_attribute_matcher_subrule_contradicts_rule)
+ << attr::getSubjectMatchRuleSpelling(MatchRule)
+ << attr::getSubjectMatchRuleSpelling(*ParentRule) << It->second
+ << FixItHint::CreateRemoval(
+ replacementRangeForListElement(*this, Rule.second));
+ // Keep going without removing this rule as it won't change the set of
+ // declarations that receive the attribute.
+ continue;
+ }
+ if (isNegatedAttrMatcherSubRule(MatchRule))
+ RulesToFirstSpecifiedNegatedSubRule.insert(
+ std::make_pair(*ParentRule, Rule));
+ }
+ bool IgnoreNegatedSubRules = false;
+ for (const auto &Rule : Rules) {
+ attr::SubjectMatchRule MatchRule = attr::SubjectMatchRule(Rule.first);
+ Optional<attr::SubjectMatchRule> ParentRule =
+ getParentAttrMatcherRule(MatchRule);
+ if (!ParentRule)
+ continue;
+ auto It = RulesToFirstSpecifiedNegatedSubRule.find(*ParentRule);
+ if (It != RulesToFirstSpecifiedNegatedSubRule.end() &&
+ It->second != Rule) {
+ // Negated sub-rule contradicts another sub-rule.
+ Diag(
+ It->second.second.getBegin(),
+ diag::
+ err_pragma_attribute_matcher_negated_subrule_contradicts_subrule)
+ << attr::getSubjectMatchRuleSpelling(
+ attr::SubjectMatchRule(It->second.first))
+ << attr::getSubjectMatchRuleSpelling(MatchRule) << Rule.second
+ << FixItHint::CreateRemoval(
+ replacementRangeForListElement(*this, It->second.second));
+ // Keep going but ignore all of the negated sub-rules.
+ IgnoreNegatedSubRules = true;
+ RulesToFirstSpecifiedNegatedSubRule.erase(It);
+ }
+ }
+
+ if (!IgnoreNegatedSubRules) {
+ for (const auto &Rule : Rules)
+ SubjectMatchRules.push_back(attr::SubjectMatchRule(Rule.first));
+ } else {
+ for (const auto &Rule : Rules) {
+ if (!isNegatedAttrMatcherSubRule(attr::SubjectMatchRule(Rule.first)))
+ SubjectMatchRules.push_back(attr::SubjectMatchRule(Rule.first));
+ }
+ }
+ Rules.clear();
+ } else {
+ for (const auto &Rule : StrictSubjectMatchRuleSet) {
+ if (Rules.erase(Rule.first)) {
+ // Add the rule to the set of attribute receivers only if it's supported
+ // in the current language mode.
+ if (Rule.second)
+ SubjectMatchRules.push_back(Rule.first);
+ }
+ }
+ }
+
+ if (!Rules.empty()) {
+ auto Diagnostic =
+ Diag(PragmaLoc, diag::err_pragma_attribute_invalid_matchers)
+ << Attribute.getName();
+ SmallVector<attr::SubjectMatchRule, 2> ExtraRules;
+ for (const auto &Rule : Rules) {
+ ExtraRules.push_back(attr::SubjectMatchRule(Rule.first));
+ Diagnostic << FixItHint::CreateRemoval(
+ replacementRangeForListElement(*this, Rule.second));
+ }
+ Diagnostic << attrMatcherRuleListToString(ExtraRules);
+ }
+
+ PragmaAttributeStack.push_back(
+ {PragmaLoc, &Attribute, std::move(SubjectMatchRules), /*IsUsed=*/false});
+}
+
+void Sema::ActOnPragmaAttributePop(SourceLocation PragmaLoc) {
+ if (PragmaAttributeStack.empty()) {
+ Diag(PragmaLoc, diag::err_pragma_attribute_stack_mismatch);
+ return;
+ }
+ const PragmaAttributeEntry &Entry = PragmaAttributeStack.back();
+ if (!Entry.IsUsed) {
+ assert(Entry.Attribute && "Expected an attribute");
+ Diag(Entry.Attribute->getLoc(), diag::warn_pragma_attribute_unused)
+ << Entry.Attribute->getName();
+ Diag(PragmaLoc, diag::note_pragma_attribute_region_ends_here);
+ }
+ PragmaAttributeStack.pop_back();
+}
+
+void Sema::AddPragmaAttributes(Scope *S, Decl *D) {
+ if (PragmaAttributeStack.empty())
+ return;
+ for (auto &Entry : PragmaAttributeStack) {
+ const AttributeList *Attribute = Entry.Attribute;
+ assert(Attribute && "Expected an attribute");
+
+ // Ensure that the attribute can be applied to the given declaration.
+ bool Applies = false;
+ for (const auto &Rule : Entry.MatchRules) {
+ if (Attribute->appliesToDecl(D, Rule)) {
+ Applies = true;
+ break;
+ }
+ }
+ if (!Applies)
+ continue;
+ Entry.IsUsed = true;
+ assert(!Attribute->getNext() && "Expected just one attribute");
+ PragmaAttributeCurrentTargetDecl = D;
+ ProcessDeclAttributeList(S, D, Attribute);
+ PragmaAttributeCurrentTargetDecl = nullptr;
+ }
+}
+
+void Sema::PrintPragmaAttributeInstantiationPoint() {
+ assert(PragmaAttributeCurrentTargetDecl && "Expected an active declaration");
+ Diags.Report(PragmaAttributeCurrentTargetDecl->getLocStart(),
+ diag::note_pragma_attribute_applied_decl_here);
+}
+
+void Sema::DiagnoseUnterminatedPragmaAttribute() {
+ if (PragmaAttributeStack.empty())
+ return;
+ Diag(PragmaAttributeStack.back().Loc, diag::err_pragma_attribute_no_pop_eof);
+}
+
void Sema::ActOnPragmaOptimize(bool On, SourceLocation PragmaLoc) {
if(On)
OptimizeOffPragmaLocation = SourceLocation();
diff --git a/lib/Sema/SemaCXXScopeSpec.cpp b/lib/Sema/SemaCXXScopeSpec.cpp
index 57471de78d3e..6da4d2a26191 100644
--- a/lib/Sema/SemaCXXScopeSpec.cpp
+++ b/lib/Sema/SemaCXXScopeSpec.cpp
@@ -480,6 +480,8 @@ bool Sema::BuildCXXNestedNameSpecifier(Scope *S, NestedNameSpecInfo &IdInfo,
bool ErrorRecoveryLookup,
bool *IsCorrectedToColon,
bool OnlyNamespace) {
+ if (IdInfo.Identifier->isEditorPlaceholder())
+ return true;
LookupResult Found(*this, IdInfo.Identifier, IdInfo.IdentifierLoc,
OnlyNamespace ? LookupNamespaceName
: LookupNestedNameSpecifierName);
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 81db0d3d00a7..45523b30ef22 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -1391,8 +1391,6 @@ bool Sema::CheckARMBuiltinExclusiveCall(unsigned BuiltinID, CallExpr *TheCall,
}
bool Sema::CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
- llvm::APSInt Result;
-
if (BuiltinID == ARM::BI__builtin_arm_ldrex ||
BuiltinID == ARM::BI__builtin_arm_ldaex ||
BuiltinID == ARM::BI__builtin_arm_strex ||
@@ -1439,8 +1437,6 @@ bool Sema::CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
bool Sema::CheckAArch64BuiltinFunctionCall(unsigned BuiltinID,
CallExpr *TheCall) {
- llvm::APSInt Result;
-
if (BuiltinID == AArch64::BI__builtin_arm_ldrex ||
BuiltinID == AArch64::BI__builtin_arm_ldaex ||
BuiltinID == AArch64::BI__builtin_arm_strex ||
diff --git a/lib/Sema/SemaCoroutine.cpp b/lib/Sema/SemaCoroutine.cpp
index 4a55e51495a8..c709a1a723d0 100644
--- a/lib/Sema/SemaCoroutine.cpp
+++ b/lib/Sema/SemaCoroutine.cpp
@@ -454,7 +454,7 @@ static bool actOnCoroutineBodyStart(Sema &S, Scope *SC, SourceLocation KWLoc,
/*IsImplicit*/ true);
Suspend = S.ActOnFinishFullExpr(Suspend.get());
if (Suspend.isInvalid()) {
- S.Diag(Loc, diag::note_coroutine_promise_call_implicitly_required)
+ S.Diag(Loc, diag::note_coroutine_promise_suspend_implicitly_required)
<< ((Name == "initial_suspend") ? 0 : 1);
S.Diag(KWLoc, diag::note_declared_coroutine_here) << Keyword;
return StmtError();
@@ -660,6 +660,39 @@ StmtResult Sema::BuildCoreturnStmt(SourceLocation Loc, Expr *E,
return Res;
}
+/// Look up the std::nothrow object.
+static Expr *buildStdNoThrowDeclRef(Sema &S, SourceLocation Loc) {
+ NamespaceDecl *Std = S.getStdNamespace();
+ assert(Std && "Should already be diagnosed");
+
+ LookupResult Result(S, &S.PP.getIdentifierTable().get("nothrow"), Loc,
+ Sema::LookupOrdinaryName);
+ if (!S.LookupQualifiedName(Result, Std)) {
+ // FIXME: <experimental/coroutine> should have been included already.
+ // If we require it to include <new> then this diagnostic is no longer
+ // needed.
+ S.Diag(Loc, diag::err_implicit_coroutine_std_nothrow_type_not_found);
+ return nullptr;
+ }
+
+ // FIXME: Mark the variable as ODR used. This currently does not work
+ // likely due to the scope at in which this function is called.
+ auto *VD = Result.getAsSingle<VarDecl>();
+ if (!VD) {
+ Result.suppressDiagnostics();
+ // We found something weird. Complain about the first thing we found.
+ NamedDecl *Found = *Result.begin();
+ S.Diag(Found->getLocation(), diag::err_malformed_std_nothrow);
+ return nullptr;
+ }
+
+ ExprResult DR = S.BuildDeclRefExpr(VD, VD->getType(), VK_LValue, Loc);
+ if (DR.isInvalid())
+ return nullptr;
+
+ return DR.get();
+}
+
// Find an appropriate delete for the promise.
static FunctionDecl *findDeleteForPromise(Sema &S, SourceLocation Loc,
QualType PromiseType) {
@@ -847,23 +880,53 @@ bool CoroutineStmtBuilder::makeNewAndDeleteExpr() {
if (S.RequireCompleteType(Loc, PromiseType, diag::err_incomplete_type))
return false;
- // FIXME: Add nothrow_t placement arg for global alloc
- // if ReturnStmtOnAllocFailure != nullptr.
+ const bool RequiresNoThrowAlloc = ReturnStmtOnAllocFailure != nullptr;
+
// FIXME: Add support for stateful allocators.
FunctionDecl *OperatorNew = nullptr;
FunctionDecl *OperatorDelete = nullptr;
FunctionDecl *UnusedResult = nullptr;
bool PassAlignment = false;
+ SmallVector<Expr *, 1> PlacementArgs;
S.FindAllocationFunctions(Loc, SourceRange(),
/*UseGlobal*/ false, PromiseType,
- /*isArray*/ false, PassAlignment,
- /*PlacementArgs*/ None, OperatorNew, UnusedResult);
+ /*isArray*/ false, PassAlignment, PlacementArgs,
+ OperatorNew, UnusedResult);
+
+ bool IsGlobalOverload =
+ OperatorNew && !isa<CXXRecordDecl>(OperatorNew->getDeclContext());
+ // If we didn't find a class-local new declaration and non-throwing new
+ // was is required then we need to lookup the non-throwing global operator
+ // instead.
+ if (RequiresNoThrowAlloc && (!OperatorNew || IsGlobalOverload)) {
+ auto *StdNoThrow = buildStdNoThrowDeclRef(S, Loc);
+ if (!StdNoThrow)
+ return false;
+ PlacementArgs = {StdNoThrow};
+ OperatorNew = nullptr;
+ S.FindAllocationFunctions(Loc, SourceRange(),
+ /*UseGlobal*/ true, PromiseType,
+ /*isArray*/ false, PassAlignment, PlacementArgs,
+ OperatorNew, UnusedResult);
+ }
- OperatorDelete = findDeleteForPromise(S, Loc, PromiseType);
+ assert(OperatorNew && "expected definition of operator new to be found");
- if (!OperatorDelete || !OperatorNew)
+ if (RequiresNoThrowAlloc) {
+ const auto *FT = OperatorNew->getType()->getAs<FunctionProtoType>();
+ if (!FT->isNothrow(S.Context, /*ResultIfDependent*/ false)) {
+ S.Diag(OperatorNew->getLocation(),
+ diag::err_coroutine_promise_new_requires_nothrow)
+ << OperatorNew;
+ S.Diag(Loc, diag::note_coroutine_promise_call_implicitly_required)
+ << OperatorNew;
+ return false;
+ }
+ }
+
+ if ((OperatorDelete = findDeleteForPromise(S, Loc, PromiseType)) == nullptr)
return false;
Expr *FramePtr =
@@ -879,8 +942,13 @@ bool CoroutineStmtBuilder::makeNewAndDeleteExpr() {
if (NewRef.isInvalid())
return false;
+ SmallVector<Expr *, 2> NewArgs(1, FrameSize);
+ for (auto Arg : PlacementArgs)
+ NewArgs.push_back(Arg);
+
ExprResult NewExpr =
- S.ActOnCallExpr(S.getCurScope(), NewRef.get(), Loc, FrameSize, Loc);
+ S.ActOnCallExpr(S.getCurScope(), NewRef.get(), Loc, NewArgs, Loc);
+ NewExpr = S.ActOnFinishFullExpr(NewExpr.get());
if (NewExpr.isInvalid())
return false;
@@ -906,6 +974,7 @@ bool CoroutineStmtBuilder::makeNewAndDeleteExpr() {
ExprResult DeleteExpr =
S.ActOnCallExpr(S.getCurScope(), DeleteRef.get(), Loc, DeleteArgs, Loc);
+ DeleteExpr = S.ActOnFinishFullExpr(DeleteExpr.get());
if (DeleteExpr.isInvalid())
return false;
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index c6a0b0101d37..f3ffcf5d696c 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -628,6 +628,9 @@ void Sema::DiagnoseUnknownTypeName(IdentifierInfo *&II,
CXXScopeSpec *SS,
ParsedType &SuggestedType,
bool AllowClassTemplates) {
+ // Don't report typename errors for editor placeholders.
+ if (II->isEditorPlaceholder())
+ return;
// We don't have anything to suggest (yet).
SuggestedType = nullptr;
@@ -13674,6 +13677,7 @@ CreateNewDecl:
if (Attr)
ProcessDeclAttributeList(S, New, Attr);
+ AddPragmaAttributes(S, New);
// If this has an identifier, add it to the scope stack.
if (TUK == TUK_Friend) {
@@ -15185,6 +15189,7 @@ Decl *Sema::ActOnEnumConstant(Scope *S, Decl *theEnumDecl, Decl *lastEnumConst,
// Process attributes.
if (Attr) ProcessDeclAttributeList(S, New, Attr);
+ AddPragmaAttributes(S, New);
// Register this decl in the current scope stack.
New->setAccess(TheEnumDecl->getAccess());
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index a1ba9de368db..027b3fe0e782 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -2398,10 +2398,8 @@ static void handleAvailabilityAttr(Sema &S, Decl *D,
<< Platform->Ident;
NamedDecl *ND = dyn_cast<NamedDecl>(D);
- if (!ND) {
- S.Diag(Attr.getLoc(), diag::warn_attribute_ignored) << Attr.getName();
+ if (!ND) // We warned about this already, so just return.
return;
- }
AvailabilityChange Introduced = Attr.getAvailabilityIntroduced();
AvailabilityChange Deprecated = Attr.getAvailabilityDeprecated();
@@ -2511,12 +2509,6 @@ static void handleExternalSourceSymbolAttr(Sema &S, Decl *D,
assert(checkAttributeAtMostNumArgs(S, Attr, 3) &&
"Invalid number of arguments in an external_source_symbol attribute");
- if (!isa<NamedDecl>(D)) {
- S.Diag(Attr.getLoc(), diag::warn_attribute_wrong_decl_type)
- << Attr.getName() << ExpectedNamedDecl;
- return;
- }
-
StringRef Language;
if (const auto *SE = dyn_cast_or_null<StringLiteral>(Attr.getArgAsExpr(0)))
Language = SE->getString();
@@ -5765,18 +5757,21 @@ static void handleOpenCLNoSVMAttr(Sema &S, Decl *D, const AttributeList &Attr) {
static bool handleCommonAttributeFeatures(Sema &S, Scope *scope, Decl *D,
const AttributeList &Attr) {
// Several attributes carry different semantics than the parsing requires, so
- // those are opted out of the common handling.
+ // those are opted out of the common argument checks.
//
// We also bail on unknown and ignored attributes because those are handled
// as part of the target-specific handling logic.
- if (Attr.hasCustomParsing() ||
- Attr.getKind() == AttributeList::UnknownAttribute)
+ if (Attr.getKind() == AttributeList::UnknownAttribute)
return false;
-
// Check whether the attribute requires specific language extensions to be
// enabled.
if (!Attr.diagnoseLangOpts(S))
return true;
+ // Check whether the attribute appertains to the given subject.
+ if (!Attr.diagnoseAppertainsTo(S, D))
+ return true;
+ if (Attr.hasCustomParsing())
+ return false;
if (Attr.getMinArgs() == Attr.getMaxArgs()) {
// If there are no optional arguments, then checking for the argument count
@@ -5793,10 +5788,6 @@ static bool handleCommonAttributeFeatures(Sema &S, Scope *scope, Decl *D,
return true;
}
- // Check whether the attribute appertains to the given subject.
- if (!Attr.diagnoseAppertainsTo(S, D))
- return true;
-
return false;
}
@@ -6676,6 +6667,9 @@ void Sema::ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD) {
// Finally, apply any attributes on the decl itself.
if (const AttributeList *Attrs = PD.getAttributes())
ProcessDeclAttributeList(S, D, Attrs);
+
+ // Apply additional attributes specified by '#pragma clang attribute'.
+ AddPragmaAttributes(S, D);
}
/// Is the given declaration allowed to use a forbidden type?
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index fd3f266c9a08..b543a731641f 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -8445,6 +8445,7 @@ Decl *Sema::ActOnStartNamespaceDef(Scope *NamespcScope,
Namespc->setInvalidDecl();
ProcessDeclAttributeList(DeclRegionScope, Namespc, AttrList);
+ AddPragmaAttributes(DeclRegionScope, Namespc);
// FIXME: Should we be merging attributes?
if (const VisibilityAttr *Attr = Namespc->getAttr<VisibilityAttr>())
@@ -9931,6 +9932,7 @@ Decl *Sema::ActOnAliasDeclaration(Scope *S,
NewTD->setInvalidDecl();
ProcessDeclAttributeList(S, NewTD, AttrList);
+ AddPragmaAttributes(S, NewTD);
CheckTypedefForVariablyModifiedType(S, NewTD);
Invalid |= NewTD->isInvalidDecl();
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index e50f8b206779..4f51cd399c0c 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -993,6 +993,7 @@ ActOnStartClassInterface(Scope *S, SourceLocation AtInterfaceLoc,
if (AttrList)
ProcessDeclAttributeList(TUScope, IDecl, AttrList);
+ AddPragmaAttributes(TUScope, IDecl);
PushOnScopeChains(IDecl, TUScope);
// Start the definition of this class. If we're in a redefinition case, there
@@ -1176,7 +1177,8 @@ Sema::ActOnStartProtocolInterface(SourceLocation AtProtoInterfaceLoc,
if (AttrList)
ProcessDeclAttributeList(TUScope, PDecl, AttrList);
-
+ AddPragmaAttributes(TUScope, PDecl);
+
// Merge attributes from previous declarations.
if (PrevDecl)
mergeDeclAttributes(PDecl, PrevDecl);
@@ -1706,7 +1708,8 @@ Sema::ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc,
if (attrList)
ProcessDeclAttributeList(TUScope, PDecl, attrList);
-
+ AddPragmaAttributes(TUScope, PDecl);
+
if (PrevDecl)
mergeDeclAttributes(PDecl, PrevDecl);
@@ -1805,6 +1808,7 @@ ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc,
if (AttrList)
ProcessDeclAttributeList(TUScope, CDecl, AttrList);
+ AddPragmaAttributes(TUScope, CDecl);
CheckObjCDeclScope(CDecl);
return ActOnObjCContainerStartDefinition(CDecl);
@@ -1954,6 +1958,7 @@ Decl *Sema::ActOnStartClassImplementation(
ClassName, /*typeParamList=*/nullptr,
/*PrevDecl=*/nullptr, ClassLoc,
true);
+ AddPragmaAttributes(TUScope, IDecl);
IDecl->startDefinition();
if (SDecl) {
IDecl->setSuperClass(Context.getTrivialTypeSourceInfo(
@@ -3043,7 +3048,7 @@ Sema::ActOnForwardClassDeclaration(SourceLocation AtClassLoc,
ClassName, TypeParams, PrevIDecl,
IdentLocs[i]);
IDecl->setAtEndRange(IdentLocs[i]);
-
+
PushOnScopeChains(IDecl, TUScope);
CheckObjCDeclScope(IDecl);
DeclsInGroup.push_back(IDecl);
@@ -4399,6 +4404,7 @@ Decl *Sema::ActOnMethodDeclaration(
// Apply the attributes to the parameter.
ProcessDeclAttributeList(TUScope, Param, ArgInfo[i].ArgAttrs);
+ AddPragmaAttributes(TUScope, Param);
if (Param->hasAttr<BlocksAttr>()) {
Diag(Param->getLocation(), diag::err_block_on_nonlocal);
@@ -4429,6 +4435,7 @@ Decl *Sema::ActOnMethodDeclaration(
if (AttrList)
ProcessDeclAttributeList(TUScope, ObjCMethod, AttrList);
+ AddPragmaAttributes(TUScope, ObjCMethod);
// Add the method now.
const ObjCMethodDecl *PrevMethod = nullptr;
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index bb174521c72c..5a56f7093777 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -2129,6 +2129,12 @@ Sema::ActOnIdExpression(Scope *S, CXXScopeSpec &SS,
IdentifierInfo *II = Name.getAsIdentifierInfo();
SourceLocation NameLoc = NameInfo.getLoc();
+ if (II && II->isEditorPlaceholder()) {
+ // FIXME: When typed placeholders are supported we can create a typed
+ // placeholder expression node.
+ return ExprError();
+ }
+
// C++ [temp.dep.expr]p3:
// An id-expression is type-dependent if it contains:
// -- an identifier that was declared with a dependent type,
diff --git a/lib/Sema/SemaOpenMP.cpp b/lib/Sema/SemaOpenMP.cpp
index 616ab05eaec8..d7a6d2e5885e 100644
--- a/lib/Sema/SemaOpenMP.cpp
+++ b/lib/Sema/SemaOpenMP.cpp
@@ -4068,7 +4068,7 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin();
// Build variables passed into runtime, necessary for worksharing directives.
- ExprResult LB, UB, IL, ST, EUB, PrevLB, PrevUB;
+ ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB;
if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) ||
isOpenMPDistributeDirective(DKind)) {
// Lower bound variable, initialized with zero.
@@ -4116,8 +4116,32 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
// enclosing region. E.g. in 'distribute parallel for' the bounds obtained
// by scheduling 'distribute' have to be passed to the schedule of 'for'.
if (isOpenMPLoopBoundSharingDirective(DKind)) {
- auto *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl();
+ // Lower bound variable, initialized with zero.
+ VarDecl *CombLBDecl =
+ buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb");
+ CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc);
+ SemaRef.AddInitializerToDecl(
+ CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(),
+ /*DirectInit*/ false);
+
+ // Upper bound variable, initialized with last iteration number.
+ VarDecl *CombUBDecl =
+ buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub");
+ CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc);
+ SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(),
+ /*DirectInit*/ false);
+
+ ExprResult CombIsUBGreater = SemaRef.BuildBinOp(
+ CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get());
+ ExprResult CombCondOp =
+ SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(),
+ LastIteration.get(), CombUB.get());
+ CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(),
+ CombCondOp.get());
+ CombEUB = SemaRef.ActOnFinishFullExpr(CombEUB.get());
+
+ auto *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl();
// We expect to have at least 2 more parameters than the 'parallel'
// directive does - the lower and upper bounds of the previous schedule.
assert(CD->getNumParams() >= 4 &&
@@ -4139,7 +4163,7 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
// Build the iteration variable and its initialization before loop.
ExprResult IV;
- ExprResult Init;
+ ExprResult Init, CombInit;
{
VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv");
IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc);
@@ -4150,6 +4174,18 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
: SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get();
Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS);
Init = SemaRef.ActOnFinishFullExpr(Init.get());
+
+ if (isOpenMPLoopBoundSharingDirective(DKind)) {
+ Expr *CombRHS =
+ (isOpenMPWorksharingDirective(DKind) ||
+ isOpenMPTaskLoopDirective(DKind) ||
+ isOpenMPDistributeDirective(DKind))
+ ? CombLB.get()
+ : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get();
+ CombInit =
+ SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS);
+ CombInit = SemaRef.ActOnFinishFullExpr(CombInit.get());
+ }
}
// Loop condition (IV < NumIterations) or (IV <= UB) for worksharing loops.
@@ -4160,7 +4196,11 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
? SemaRef.BuildBinOp(CurScope, CondLoc, BO_LE, IV.get(), UB.get())
: SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(),
NumIterations.get());
-
+ ExprResult CombCond;
+ if (isOpenMPLoopBoundSharingDirective(DKind)) {
+ CombCond =
+ SemaRef.BuildBinOp(CurScope, CondLoc, BO_LE, IV.get(), CombUB.get());
+ }
// Loop increment (IV = IV + 1)
SourceLocation IncLoc;
ExprResult Inc =
@@ -4175,7 +4215,9 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
// Increments for worksharing loops (LB = LB + ST; UB = UB + ST).
// Used for directives with static scheduling.
- ExprResult NextLB, NextUB;
+ // In combined construct, add combined version that use CombLB and CombUB
+ // base variables for the update
+ ExprResult NextLB, NextUB, CombNextLB, CombNextUB;
if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) ||
isOpenMPDistributeDirective(DKind)) {
// LB + ST
@@ -4198,9 +4240,32 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
NextUB = SemaRef.ActOnFinishFullExpr(NextUB.get());
if (!NextUB.isUsable())
return 0;
- }
-
- // Create: increment expression for distribute loop when combined in a same
+ if (isOpenMPLoopBoundSharingDirective(DKind)) {
+ CombNextLB =
+ SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get());
+ if (!NextLB.isUsable())
+ return 0;
+ // LB = LB + ST
+ CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(),
+ CombNextLB.get());
+ CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get());
+ if (!CombNextLB.isUsable())
+ return 0;
+ // UB + ST
+ CombNextUB =
+ SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get());
+ if (!CombNextUB.isUsable())
+ return 0;
+ // UB = UB + ST
+ CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(),
+ CombNextUB.get());
+ CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get());
+ if (!CombNextUB.isUsable())
+ return 0;
+ }
+ }
+
+ // Create increment expression for distribute loop when combined in a same
// directive with for as IV = IV + ST; ensure upper bound expression based
// on PrevUB instead of NumIterations - used to implement 'for' when found
// in combination with 'distribute', like in 'distribute parallel for'
@@ -4346,6 +4411,13 @@ CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr,
Built.PrevUB = PrevUB.get();
Built.DistInc = DistInc.get();
Built.PrevEUB = PrevEUB.get();
+ Built.DistCombinedFields.LB = CombLB.get();
+ Built.DistCombinedFields.UB = CombUB.get();
+ Built.DistCombinedFields.EUB = CombEUB.get();
+ Built.DistCombinedFields.Init = CombInit.get();
+ Built.DistCombinedFields.Cond = CombCond.get();
+ Built.DistCombinedFields.NLB = CombNextLB.get();
+ Built.DistCombinedFields.NUB = CombNextUB.get();
Expr *CounterVal = SemaRef.DefaultLvalueConversion(IV.get()).get();
// Fill data for doacross depend clauses.
diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp
index 9be1c56f0622..9ffc23b5adba 100644
--- a/lib/Sema/SemaStmt.cpp
+++ b/lib/Sema/SemaStmt.cpp
@@ -1783,6 +1783,7 @@ StmtResult
Sema::ActOnObjCForCollectionStmt(SourceLocation ForLoc,
Stmt *First, Expr *collection,
SourceLocation RParenLoc) {
+ getCurFunction()->setHasBranchProtectedScope();
ExprResult CollectionExprResult =
CheckObjCForCollectionOperand(ForLoc, collection);
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index f522e76b0673..61b4df40964c 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -1636,11 +1636,22 @@ private:
transformFunctionTypeParam(ParmVarDecl *OldParam,
MultiLevelTemplateArgumentList &Args) {
TypeSourceInfo *OldDI = OldParam->getTypeSourceInfo();
- TypeSourceInfo *NewDI =
- Args.getNumLevels()
- ? SemaRef.SubstType(OldDI, Args, OldParam->getLocation(),
- OldParam->getDeclName())
- : OldDI;
+ TypeSourceInfo *NewDI;
+ if (!Args.getNumLevels())
+ NewDI = OldDI;
+ else if (auto PackTL = OldDI->getTypeLoc().getAs<PackExpansionTypeLoc>()) {
+ // Expand out the one and only element in each inner pack.
+ Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(SemaRef, 0);
+ NewDI =
+ SemaRef.SubstType(PackTL.getPatternLoc(), Args,
+ OldParam->getLocation(), OldParam->getDeclName());
+ if (!NewDI) return nullptr;
+ NewDI =
+ SemaRef.CheckPackExpansion(NewDI, PackTL.getEllipsisLoc(),
+ PackTL.getTypePtr()->getNumExpansions());
+ } else
+ NewDI = SemaRef.SubstType(OldDI, Args, OldParam->getLocation(),
+ OldParam->getDeclName());
if (!NewDI)
return nullptr;
diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp
index edd6edfce9dc..2d44489023ef 100644
--- a/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/lib/Sema/SemaTemplateInstantiate.cpp
@@ -2605,10 +2605,11 @@ Sema::InstantiateClassMembers(SourceLocation PointOfInstantiation,
== TSK_ExplicitSpecialization)
continue;
- if (Context.getTargetInfo().getCXXABI().isMicrosoft() &&
+ if ((Context.getTargetInfo().getCXXABI().isMicrosoft() ||
+ Context.getTargetInfo().getTriple().isWindowsItaniumEnvironment()) &&
TSK == TSK_ExplicitInstantiationDeclaration) {
- // In MSVC mode, explicit instantiation decl of the outer class doesn't
- // affect the inner class.
+ // In MSVC and Windows Itanium mode, explicit instantiation decl of the
+ // outer class doesn't affect the inner class.
continue;
}