diff options
Diffstat (limited to 'lib/Sema/SemaOverload.cpp')
| -rw-r--r-- | lib/Sema/SemaOverload.cpp | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp index 5cc13f391d117..36f24fd9c463a 100644 --- a/lib/Sema/SemaOverload.cpp +++ b/lib/Sema/SemaOverload.cpp @@ -48,7 +48,7 @@ static bool functionHasPassObjectSizeParams(const FunctionDecl *FD) { /// A convenience routine for creating a decayed reference to a function. static ExprResult CreateFunctionRefExpr(Sema &S, FunctionDecl *Fn, NamedDecl *FoundDecl, - bool HadMultipleCandidates, + const Expr *Base, bool HadMultipleCandidates, SourceLocation Loc = SourceLocation(), const DeclarationNameLoc &LocInfo = DeclarationNameLoc()){ if (S.DiagnoseUseOfDecl(FoundDecl, Loc)) @@ -68,7 +68,7 @@ CreateFunctionRefExpr(Sema &S, FunctionDecl *Fn, NamedDecl *FoundDecl, if (HadMultipleCandidates) DRE->setHadMultipleCandidates(true); - S.MarkDeclRefReferenced(DRE); + S.MarkDeclRefReferenced(DRE, Base); return S.ImpCastExprToType(DRE, S.Context.getPointerType(DRE->getType()), CK_FunctionToPointerDecay); } @@ -9830,6 +9830,15 @@ static void DiagnoseBadDeduction(Sema &S, NamedDecl *Found, Decl *Templated, return; } + // We found a specific requirement that disabled the enable_if. + if (PDiag && PDiag->second.getDiagID() == + diag::err_typename_nested_not_found_requirement) { + S.Diag(Templated->getLocation(), + diag::note_ovl_candidate_disabled_by_requirement) + << PDiag->second.getStringArg(0) << TemplateArgString; + return; + } + // Format the SFINAE diagnostic into the argument string. // FIXME: Add a general mechanism to include a PartialDiagnostic *'s // formatted message in another diagnostic. @@ -11937,6 +11946,7 @@ Sema::CreateOverloadedUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, FunctionDecl *FnDecl = Best->Function; if (FnDecl) { + Expr *Base = nullptr; // We matched an overloaded operator. Build a call to that // operator. @@ -11949,7 +11959,7 @@ Sema::CreateOverloadedUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, Best->FoundDecl, Method); if (InputRes.isInvalid()) return ExprError(); - Input = InputRes.get(); + Base = Input = InputRes.get(); } else { // Convert the arguments. ExprResult InputInit @@ -11965,7 +11975,8 @@ Sema::CreateOverloadedUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, // Build the actual expression node. ExprResult FnExpr = CreateFunctionRefExpr(*this, FnDecl, Best->FoundDecl, - HadMultipleCandidates, OpLoc); + Base, HadMultipleCandidates, + OpLoc); if (FnExpr.isInvalid()) return ExprError(); @@ -12150,6 +12161,7 @@ Sema::CreateOverloadedBinOp(SourceLocation OpLoc, FunctionDecl *FnDecl = Best->Function; if (FnDecl) { + Expr *Base = nullptr; // We matched an overloaded operator. Build a call to that // operator. @@ -12171,7 +12183,7 @@ Sema::CreateOverloadedBinOp(SourceLocation OpLoc, Best->FoundDecl, Method); if (Arg0.isInvalid()) return ExprError(); - Args[0] = Arg0.getAs<Expr>(); + Base = Args[0] = Arg0.getAs<Expr>(); Args[1] = RHS = Arg1.getAs<Expr>(); } else { // Convert the arguments. @@ -12195,7 +12207,7 @@ Sema::CreateOverloadedBinOp(SourceLocation OpLoc, // Build the actual expression node. ExprResult FnExpr = CreateFunctionRefExpr(*this, FnDecl, - Best->FoundDecl, + Best->FoundDecl, Base, HadMultipleCandidates, OpLoc); if (FnExpr.isInvalid()) return ExprError(); @@ -12417,6 +12429,7 @@ Sema::CreateOverloadedArraySubscriptExpr(SourceLocation LLoc, OpLocInfo.setCXXOperatorNameRange(SourceRange(LLoc, RLoc)); ExprResult FnExpr = CreateFunctionRefExpr(*this, FnDecl, Best->FoundDecl, + Base, HadMultipleCandidates, OpLocInfo.getLoc(), OpLocInfo.getInfo()); @@ -12975,7 +12988,7 @@ Sema::BuildCallToObjectOfClassType(Scope *S, Expr *Obj, Context.DeclarationNames.getCXXOperatorName(OO_Call), LParenLoc); OpLocInfo.setCXXOperatorNameRange(SourceRange(LParenLoc, RParenLoc)); ExprResult NewFn = CreateFunctionRefExpr(*this, Method, Best->FoundDecl, - HadMultipleCandidates, + Obj, HadMultipleCandidates, OpLocInfo.getLoc(), OpLocInfo.getInfo()); if (NewFn.isInvalid()) @@ -13166,7 +13179,7 @@ Sema::BuildOverloadedArrowExpr(Scope *S, Expr *Base, SourceLocation OpLoc, // Build the operator call. ExprResult FnExpr = CreateFunctionRefExpr(*this, Method, Best->FoundDecl, - HadMultipleCandidates, OpLoc); + Base, HadMultipleCandidates, OpLoc); if (FnExpr.isInvalid()) return ExprError(); @@ -13225,7 +13238,7 @@ ExprResult Sema::BuildLiteralOperatorCall(LookupResult &R, FunctionDecl *FD = Best->Function; ExprResult Fn = CreateFunctionRefExpr(*this, FD, Best->FoundDecl, - HadMultipleCandidates, + nullptr, HadMultipleCandidates, SuffixInfo.getLoc(), SuffixInfo.getInfo()); if (Fn.isInvalid()) |