diff options
Diffstat (limited to 'clang/lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index af5fdc95c90..1d8f9b7d203 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -12121,10 +12121,12 @@ Decl *Sema::ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK, // In C++, we need to do a redeclaration lookup to properly // diagnose some problems. - if (getLangOpts().CPlusPlus) { - Previous.setRedeclarationKind(ForRedeclaration); - LookupQualifiedName(Previous, SearchDC); - } + // FIXME: this lookup is also used (with and without C++) to find a hidden + // declaration so that we don't get ambiguity errors when using a type + // declared by an elaborated-type-specifier. In C that is not correct and + // we should instead merge compatible types found by lookup. + Previous.setRedeclarationKind(ForRedeclaration); + LookupQualifiedName(Previous, SearchDC); } // If we have a known previous declaration to use, then use it. |
