Give hidden visibility to RTTI for derived types. This is kindof a hacky
way to do this, but it fixes rdar://problem/8778973
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122033 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGRTTI.cpp b/lib/CodeGen/CGRTTI.cpp
index 7a7195a..a8893d1 100644
--- a/lib/CodeGen/CGRTTI.cpp
+++ b/lib/CodeGen/CGRTTI.cpp
@@ -535,7 +535,8 @@
BuildVTablePointer(cast<Type>(Ty));
// And the name.
- Fields.push_back(BuildName(Ty, DecideHidden(Ty), Linkage));
+ bool Hidden = DecideHidden(Ty);
+ Fields.push_back(BuildName(Ty, Hidden, Linkage));
switch (Ty->getTypeClass()) {
#define TYPE(Class, Base)
@@ -636,8 +637,9 @@
if (const RecordType *RT = dyn_cast<RecordType>(Ty))
CGM.setTypeVisibility(GV, cast<CXXRecordDecl>(RT->getDecl()),
/*ForRTTI*/ true, /*ForDefinition*/ true);
- else if (CGM.getCodeGenOpts().HiddenWeakVTables &&
- Linkage == llvm::GlobalValue::WeakODRLinkage)
+ else if (Hidden ||
+ (CGM.getCodeGenOpts().HiddenWeakVTables &&
+ Linkage == llvm::GlobalValue::WeakODRLinkage))
GV->setVisibility(llvm::GlobalValue::HiddenVisibility);
return llvm::ConstantExpr::getBitCast(GV, Int8PtrTy);