New testcase that crashes the instcombine pass. Dominance properties have

no meaning if the code is not reachable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12657 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/InstCombine/2004-04-04-InstCombineReplaceAllUsesWith.ll

@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | opt -instcombine -disable-output
+
+int %test() {
+	ret int 0
+Loop:
+	%X = add int %X, 1
+	br label %Loop
+}