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-rw-r--r--lib/Basic/Module.cpp11
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/Basic/Module.cpp b/lib/Basic/Module.cpp
index 3d1a40db5ea20..80bbc24f3db32 100644
--- a/lib/Basic/Module.cpp
+++ b/lib/Basic/Module.cpp
@@ -33,7 +33,7 @@ Module::Module(StringRef Name, SourceLocation DefinitionLoc, Module *Parent,
IsExplicit(IsExplicit), IsSystem(false), IsExternC(false),
IsInferred(false), InferSubmodules(false), InferExplicitSubmodules(false),
InferExportWildcard(false), ConfigMacrosExhaustive(false),
- NameVisibility(Hidden) {
+ NoUndeclaredIncludes(false), NameVisibility(Hidden) {
if (Parent) {
if (!Parent->isAvailable())
IsAvailable = false;
@@ -41,6 +41,8 @@ Module::Module(StringRef Name, SourceLocation DefinitionLoc, Module *Parent,
IsSystem = true;
if (Parent->IsExternC)
IsExternC = true;
+ if (Parent->NoUndeclaredIncludes)
+ NoUndeclaredIncludes = true;
IsMissingRequirement = Parent->IsMissingRequirement;
Parent->SubModuleIndex[Name] = Parent->SubModules.size();
@@ -64,6 +66,8 @@ static bool hasFeature(StringRef Feature, const LangOptions &LangOpts,
.Case("blocks", LangOpts.Blocks)
.Case("cplusplus", LangOpts.CPlusPlus)
.Case("cplusplus11", LangOpts.CPlusPlus11)
+ .Case("freestanding", LangOpts.Freestanding)
+ .Case("gnuinlineasm", LangOpts.GNUAsm)
.Case("objc", LangOpts.ObjC1)
.Case("objc_arc", LangOpts.ObjCAutoRefCount)
.Case("opencl", LangOpts.OpenCL)
@@ -179,6 +183,11 @@ bool Module::directlyUses(const Module *Requested) const {
for (auto *Use : Top->DirectUses)
if (Requested->isSubModuleOf(Use))
return true;
+
+ // Anyone is allowed to use our builtin stddef.h and its accompanying module.
+ if (!Requested->Parent && Requested->Name == "_Builtin_stddef_max_align_t")
+ return true;
+
return false;
}