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| 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 | 47f9a73f519939adff9193c0ed325e2b6185e4f6 (patch) | |
| tree | 6808a18628cdbe524e4ca22a90e8e16b90e86f84 /clang/lib/CodeGen | |
| parent | 197ca87e7e4076bcf7ff8b920a64c02370f26061 (diff) | |
| download | bcm5719-llvm-47f9a73f519939adff9193c0ed325e2b6185e4f6.tar.gz bcm5719-llvm-47f9a73f519939adff9193c0ed325e2b6185e4f6.zip | |
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
llvm-svn: 142693
Diffstat (limited to 'clang/lib/CodeGen')
| -rw-r--r-- | clang/lib/CodeGen/CGRTTI.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGRTTI.cpp b/clang/lib/CodeGen/CGRTTI.cpp index 1b3cb08284f..d9790d0b9e7 100644 --- a/clang/lib/CodeGen/CGRTTI.cpp +++ b/clang/lib/CodeGen/CGRTTI.cpp @@ -336,6 +336,8 @@ getTypeInfoLinkage(CodeGenModule &CGM, QualType Ty) { if (const RecordType *Record = dyn_cast<RecordType>(Ty)) { const CXXRecordDecl *RD = cast<CXXRecordDecl>(Record->getDecl()); + if (RD->hasAttr<WeakAttr>()) + return llvm::GlobalValue::WeakODRLinkage; if (RD->isDynamicClass()) return CGM.getVTableLinkage(RD); } |
