[PATCH] Don't crash on leaving nested __finally blocks through an EH edge.

[Reid Kleckner]

I have one idea for how we can still be clever, but if it's too hard, then yeah let's be dumb.


================
Comment at: lib/CodeGen/CGException.cpp:1936
@@ -1935,3 @@
-    if (!HaveInsertPoint()) {
-      FI.ContBB->eraseFromParent();
-      if (FI.ResumeBB)
----------------
Can we check !HaveInsertPoint() && FI.ContBB->hasZeroUses() instead and still be clever?

http://reviews.llvm.org/D7918

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