================ Comment at: lib/IR/Mangler.cpp:121 @@ +120,3 @@ + const Function *MSFunc = dyn_cast<Function>(GV); + if (!Name.empty() && Name[0] == '\01') + MSFunc = nullptr; // Don't mangle when \01 is present. ---------------- `Name.startsWith("\01")` http://reviews.llvm.org/D5943