Index: bolt/lib/Rewrite/RewriteInstance.cpp
===================================================================
--- bolt/lib/Rewrite/RewriteInstance.cpp
+++ bolt/lib/Rewrite/RewriteInstance.cpp
@@ -3115,7 +3115,8 @@
     }
 
     // Fill in CFI information for this function
-    if (!Function.trapsOnEntry() && !CFIRdWrt->fillCFIInfoFor(Function)) {
+    if (!Function.Instructions.empty() && !Function.trapsOnEntry() &&
+        !CFIRdWrt->fillCFIInfoFor(Function)) {
       if (BC->HasRelocations) {
         BC->exitWithBugReport("unable to fill CFI.", Function);
       } else {