Index: lib/CodeGen/AsmPrinter/AsmPrinter.cpp =================================================================== --- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (revision 226419) +++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (working copy) @@ -210,6 +210,8 @@ OutStreamer->EmitFileDirective(M.getModuleIdentifier()); } + OutStreamer->EmitCFISections(true, true); + GCModuleInfo *MI = getAnalysisIfAvailable<GCModuleInfo>(); assert(MI && "AsmPrinter didn't require GCModuleInfo?"); for (auto &I : *MI)