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diff --git a/test/Analysis/BasicAA/2003-04-25-GEPCrash.ll b/test/Analysis/BasicAA/2003-04-25-GEPCrash.ll
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--- /dev/null
+++ b/test/Analysis/BasicAA/2003-04-25-GEPCrash.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | opt -basicaa -aa-eval -disable-output 2>/dev/null
+; Test for a bug in BasicAA which caused a crash when querying equality of P1&P2
+define void @test([17 x i16]* %mask_bits) {
+ %P1 = getelementptr [17 x i16]* %mask_bits, i64 0, i64 0
+ %P2 = getelementptr [17 x i16]* %mask_bits, i64 252645134, i64 0
+ ret void
+}