back this out for now. Growing Function is not good.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SjLjEHPrepare.cpp b/lib/CodeGen/SjLjEHPrepare.cpp
index 95b94e6..9558933 100644
--- a/lib/CodeGen/SjLjEHPrepare.cpp
+++ b/lib/CodeGen/SjLjEHPrepare.cpp
@@ -474,10 +474,8 @@
     // At this point, we are all set up, update the invoke instructions
     // to mark their call_site values, and fill in the dispatch switch
     // accordingly.
-    for (unsigned i = 0, e = Invokes.size(); i != e; ++i) {
-      F.setCallSiteNumber(Invokes[i], i+1);
+    for (unsigned i = 0, e = Invokes.size(); i != e; ++i)
       markInvokeCallSite(Invokes[i], i+1, CallSite, DispatchSwitch);
-    }
 
     // The front end has likely added calls to _Unwind_Resume. We need
     // to find those calls and mark the call_site as -1 immediately prior.