diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Sema/SemaDecl.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index 00c73ea765..6acbb2d184 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -2121,7 +2121,12 @@ Sema::DeclTy *Sema::ActOnEnumConstant(Scope *S, DeclTy *theEnumDecl, // Verify that there isn't already something declared with this name in this // scope. if (Decl *PrevDecl = LookupDecl(Id, Decl::IDNS_Ordinary, S)) { - if (IdResolver.isDeclInScope(PrevDecl, CurContext, S)) { + // When in C++, we may get a TagDecl with the same name; in this case the + // enum constant will 'hide' the tag. + assert((getLangOptions().CPlusPlus || !isa<TagDecl>(PrevDecl)) && + "Received TagDecl when not in C++!"); + if (!isa<TagDecl>(PrevDecl) && + IdResolver.isDeclInScope(PrevDecl, CurContext, S)) { if (isa<EnumConstantDecl>(PrevDecl)) Diag(IdLoc, diag::err_redefinition_of_enumerator, Id->getName()); else |