diff options
| author | Fariborz Jahanian <fjahanian@apple.com> | 2011-10-21 22:27:12 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2011-10-21 22:27:12 +0000 |
| commit | 13c7fcceb9fd96f5be03af038ce16b05bb5e9598 (patch) | |
| tree | 9637da52c0f5ee1e41a9cad79ddf9256094f929f /lib/Sema/SemaDeclCXX.cpp | |
| parent | 9c0778bbdaab668e173f20f10b57c59aa586d69d (diff) | |
c++: support gcc's application of weak attribute on
class declaration which forces any such class and any
class that inherits from such a class to have their
typeinfo symbols be marked as weak.
// rdar://10246395
A test/CodeGenCXX/weak-extern-typeinfo.cpp
M lib/Sema/SemaDeclCXX.cpp
M lib/Sema/SemaDeclAttr.cpp
M lib/CodeGen/CGRTTI.cpp
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142693 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaDeclCXX.cpp')
| -rw-r--r-- | lib/Sema/SemaDeclCXX.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp index f445e9ff5b..2896e9f585 100644 --- a/lib/Sema/SemaDeclCXX.cpp +++ b/lib/Sema/SemaDeclCXX.cpp @@ -1151,6 +1151,10 @@ bool Sema::AttachBaseSpecifiers(CXXRecordDecl *Class, CXXBaseSpecifier **Bases, // Okay, add this new base class. KnownBaseTypes[NewBaseType] = Bases[idx]; Bases[NumGoodBases++] = Bases[idx]; + if (const RecordType *Record = dyn_cast<RecordType>(NewBaseType)) + if (const CXXRecordDecl *RD = cast<CXXRecordDecl>(Record->getDecl())) + if (RD->hasAttr<WeakAttr>()) + Class->addAttr(::new (Context) WeakAttr(SourceRange(), Context)); } } |