diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index 05748f72f47..7be376e60f0 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -10684,11 +10684,15 @@ FieldDecl *Sema::CheckFieldDecl(DeclarationName Name, QualType T, } // C++ [class.union]p1: If a union contains a member of reference type, - // the program is ill-formed. + // the program is ill-formed, except when compiling with MSVC extensions + // enabled. if (EltTy->isReferenceType()) { - Diag(NewFD->getLocation(), diag::err_union_member_of_reference_type) + Diag(NewFD->getLocation(), getLangOpts().MicrosoftExt ? + diag::ext_union_member_of_reference_type : + diag::err_union_member_of_reference_type) << NewFD->getDeclName() << EltTy; - NewFD->setInvalidDecl(); + if (!getLangOpts().MicrosoftExt) + NewFD->setInvalidDecl(); } } } |
