Remove dead store from copy-pasto.

llvm-svn: 92158
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index e3b8709..f32e3e5 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -1177,7 +1177,7 @@
   }
 
   if (!debugLoc.isUnknown() && MF) {
-    if (!HaveSemi) OS << ";"; HaveSemi = true;
+    if (!HaveSemi) OS << ";";
 
     // TODO: print InlinedAtLoc information