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[ASan/Win] Don't instrument private COMDAT globals until PR20244 is properly fixed 

llvm-svn: 212530
This commit is contained in:
Timur Iskhodzhanov 2014-07-08 13:18:58 +00:00
parent 3d570b960e
commit a4212c244a
1 changed files with 7 additions and 0 deletions
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7
llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -946,6 +946,13 @@ bool AddressSanitizerModule::ShouldInstrumentGlobal(GlobalVariable *G) {
return false;
}
// Don't instrument private COMDAT globals on Windows until PR20244 (linkage
// of vftables with RTTI) is properly fixed.
llvm::Triple TargetTriple(G->getParent()->getTargetTriple());
if (G->hasComdat() && G->getLinkage() == GlobalVariable::PrivateLinkage &&
TargetTriple.isWindowsMSVCEnvironment())
return false;
if (G->hasSection()) {
StringRef Section(G->getSection());
// Ignore the globals from the __OBJC section. The ObjC runtime assumes