1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp
index a94045cd536d..331e56976db7 100644
--- a/lib/Target/X86/X86FrameLowering.cpp
+++ b/lib/Target/X86/X86FrameLowering.cpp
@@ -2990,6 +2990,10 @@ unsigned X86FrameLowering::getWinEHParentFrameOffset(const MachineFunction &MF)
 
 void X86FrameLowering::processFunctionBeforeFrameFinalized(
     MachineFunction &MF, RegScavenger *RS) const {
+  // Mark the function as not having WinCFI. We will set it back to true in
+  // emitPrologue if it gets called and emits CFI.
+  MF.setHasWinCFI(false);
+
   // If this function isn't doing Win64-style C++ EH, we don't need to do
   // anything.
   const Function *Fn = MF.getFunction();