1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCParser/MCTargetAsmParser.cpp b/llvm/lib/MC/MCParser/MCTargetAsmParser.cpp
index 665d92e..7f09349 100644
--- a/llvm/lib/MC/MCParser/MCTargetAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/MCTargetAsmParser.cpp
@@ -9,6 +9,7 @@
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCRegister.h"
+#include "llvm/MC/MCStreamer.h"
 
 using namespace llvm;
 
@@ -22,6 +23,10 @@ MCTargetAsmParser::~MCTargetAsmParser() = default;
 MCSubtargetInfo &MCTargetAsmParser::copySTI() {
   MCSubtargetInfo &STICopy = getContext().getSubtargetCopy(getSTI());
   STI = &STICopy;
+  // The returned STI will likely be modified. Create a new fragment to prevent
+  // mixing STI values within a fragment.
+  if (getStreamer().getCurrentFragment())
+    getStreamer().newFragment();
   return STICopy;
 }