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diff --git a/test/Transforms/InstCombine/2006-02-28-Crash.ll b/test/Transforms/InstCombine/2006-02-28-Crash.ll
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+++ b/test/Transforms/InstCombine/2006-02-28-Crash.ll
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+; RUN: llvm-as < %s | opt -instcombine -disable-output
+
+define i32 @test() {
+ %tmp203 = icmp eq i32 1, 2 ; <i1> [#uses=1]
+ %tmp203.upgrd.1 = zext i1 %tmp203 to i32 ; <i32> [#uses=1]
+ ret i32 %tmp203.upgrd.1
+}
+