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diff --git a/test/Transforms/GlobalOpt/2005-06-15-LocalizeConstExprCrash.ll b/test/Transforms/GlobalOpt/2005-06-15-LocalizeConstExprCrash.ll
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index 0000000..80f8243
--- /dev/null
+++ b/test/Transforms/GlobalOpt/2005-06-15-LocalizeConstExprCrash.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | opt -globalopt -disable-output
+; PR579
+
+@g_40507551 = internal global i16 31038 ; <i16*> [#uses=1]
+
+define void @main() {
+ %tmp.4.i.1 = load i8* getelementptr (i8* bitcast (i16* @g_40507551 to i8*), i32 1) ; <i8> [#uses=0]
+ ret void
+}
+
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