diff options
Diffstat (limited to 'clang/lib/AST/ASTContext.cpp')
-rw-r--r-- | clang/lib/AST/ASTContext.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp index ec064fc2f4f..4c42393365b 100644 --- a/clang/lib/AST/ASTContext.cpp +++ b/clang/lib/AST/ASTContext.cpp @@ -2802,7 +2802,12 @@ static QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { /// on canonical type's (which are always unique). QualType ASTContext::getDecltypeType(Expr *e) const { DecltypeType *dt; - if (e->isTypeDependent()) { + + // C++0x [temp.type]p2: + // If an expression e involves a template parameter, decltype(e) denotes a + // unique dependent type. Two such decltype-specifiers refer to the same + // type only if their expressions are equivalent (14.5.6.1). + if (e->isInstantiationDependent()) { llvm::FoldingSetNodeID ID; DependentDecltypeType::Profile(ID, *this, e); |