Add one more comment to the FDE verbose asm output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134200 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index 1b24464..1a3596a 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -670,6 +670,7 @@
     if (BaseLabel && Label) {
       MCSymbol *ThisSym = Label;
       if (ThisSym != BaseLabel) {
+        if (streamer.isVerboseAsm()) streamer.AddComment("DW_CFA_advance_loc4");
         streamer.EmitDwarfAdvanceFrameAddr(BaseLabel, ThisSym);
         BaseLabel = ThisSym;
       }