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<rdar://problem/13094134> Don't try to wire up typedef names for invalid anonymous tag declarations encountered during template instantiation. 

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176727 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Douglas Gregor 2013-03-08 22:15:15 +00:00
parent bea522ff43
commit c61361b102
2 changed files with 13 additions and 2 deletions
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2
lib/Sema/SemaTemplateInstantiateDecl.cpp
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@ -229,7 +229,7 @@ Decl *TemplateDeclInstantiator::InstantiateTypedefNameDecl(TypedefNameDecl *D,
// tag decl, re-establish that relationship for the new typedef.
if (const TagType *oldTagType = D->getUnderlyingType()->getAs<TagType>()) {
TagDecl *oldTag = oldTagType->getDecl();
if (oldTag->getTypedefNameForAnonDecl() == D) {
if (oldTag->getTypedefNameForAnonDecl() == D && !Invalid) {
TagDecl *newTag = DI->getType()->castAs<TagType>()->getDecl();
assert(!newTag->getIdentifier() && !newTag->getTypedefNameForAnonDecl());
newTag->setTypedefNameForAnonDecl(Typedef);

13
test/SemaTemplate/instantiate-type.cpp
View File

@ -1,4 +1,4 @@
// RUN: %clang_cc1 -fsyntax-only %s
// RUN: %clang_cc1 -fsyntax-only -verify %s
int* f(int);
float *f(...);
@ -15,3 +15,14 @@ X<int>::typeof_type &iptr1 = iptr0;
X<int>::typeof_expr &iptr2 = iptr0;
X<float*>::typeof_expr &fptr1 = fptr0;
namespace rdar13094134 {
template <class>
class X {
typedef struct {
Y *y; // expected-error{{unknown type name 'Y'}}
} Y;
};
X<int> xi;
}