[RS4GC] Fix comment to show TODO. NFC

llvm-svn: 283449
diff --git a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
index 4bce288..fbb2483 100644
--- a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
+++ b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
@@ -453,7 +453,7 @@
   if (isa<CallInst>(I) || isa<InvokeInst>(I))
     return BaseDefiningValueResult(I, true);
 
-  // I have absolutely no idea how to implement this part yet.  It's not
+  // TODO: I have absolutely no idea how to implement this part yet.  It's not
   // necessarily hard, I just haven't really looked at it yet.
   assert(!isa<LandingPadInst>(I) && "Landing Pad is unimplemented");