diff --git a/test/Transforms/SCCP/2006-10-23-IPSCCP-Crash.ll b/test/Transforms/SCCP/2006-10-23-IPSCCP-Crash.ll
new file mode 100644
index 00000000000..34a0a76370b
--- /dev/null
+++ b/test/Transforms/SCCP/2006-10-23-IPSCCP-Crash.ll
@@ -0,0 +1,128 @@
+; RUN: llvm-as < %s | opt -sccp -disable-output
+
+target endian = big
+target pointersize = 32
+target triple = "powerpc-apple-darwin8.7.0"
+        %struct.pat_list = type { int, %struct.pat_list* }
+%JUMP = external global int             ; <int*> [#uses=1]
+%old_D_pat = external global [16 x ubyte]               ; <[16 x ubyte]*> [#uses=0]
+
+implementation   ; Functions:
+
+void %asearch1(uint %D) {
+entry:
+        %tmp80 = setlt uint 0, %D               ; <bool> [#uses=1]
+        br bool %tmp80, label %bb647.preheader, label %cond_true81.preheader
+
+cond_true81.preheader:          ; preds = %entry
+        ret void
+
+bb647.preheader:                ; preds = %entry
+        %tmp3.i = call int %read( )             ; <int> [#uses=1]
+        %tmp6.i = add int %tmp3.i, 0            ; <int> [#uses=1]
+        %tmp653 = setgt int %tmp6.i, 0          ; <bool> [#uses=1]
+        br bool %tmp653, label %cond_true654, label %UnifiedReturnBlock
+
+cond_true612:           ; preds = %cond_true654
+        ret void
+
+cond_next624:           ; preds = %cond_true654
+        ret void
+
+cond_true654:           ; preds = %bb647.preheader
+        br bool undef, label %cond_true612, label %cond_next624
+
+UnifiedReturnBlock:             ; preds = %bb647.preheader
+        ret void
+}
+
+void %bitap(int %D) {
+entry:
+        %tmp29 = seteq int 0, 0         ; <bool> [#uses=1]
+        br bool %tmp29, label %cond_next50, label %cond_next37
+
+cond_next37:            ; preds = %entry
+        ret void
+
+cond_next50:            ; preds = %entry
+        %tmp52 = setgt int %D, 0                ; <bool> [#uses=1]
+        br bool %tmp52, label %cond_true53, label %cond_next71
+
+cond_true53:            ; preds = %cond_next50
+        %tmp54 = load int* %JUMP                ; <int> [#uses=1]
+        %tmp55 = seteq int %tmp54, 1            ; <bool> [#uses=1]
+        br bool %tmp55, label %cond_true56, label %cond_next63
+
+cond_true56:            ; preds = %cond_true53
+        %tmp57 = cast int %D to uint            ; <uint> [#uses=1]
+        call void %asearch1( uint %tmp57 )
+        ret void
+
+cond_next63:            ; preds = %cond_true53
+        ret void
+
+cond_next71:            ; preds = %cond_next50
+        ret void
+}
+
+declare int %read()
+
+void %initial_value() {
+entry:
+        ret void
+}
+
+void %main() {
+entry:
+        br label %cond_next252
+
+cond_next208:           ; preds = %cond_true260
+        %tmp229 = call int %atoi( )             ; <int> [#uses=1]
+        br label %cond_next252
+
+bb217:          ; preds = %cond_true260
+        ret void
+
+cond_next252:           ; preds = %cond_next208, %entry
+        %D.0.0 = phi int [ 0, %entry ], [ %tmp229, %cond_next208 ]              ; <int> [#uses=1]
+        %tmp254 = getelementptr sbyte** null, int 1             ; <sbyte**> [#uses=1]
+        %tmp256 = load sbyte** %tmp254          ; <sbyte*> [#uses=1]
+        %tmp258 = load sbyte* %tmp256           ; <sbyte> [#uses=1]
+        %tmp259 = seteq sbyte %tmp258, 45               ; <bool> [#uses=1]
+        br bool %tmp259, label %cond_true260, label %bb263
+
+cond_true260:           ; preds = %cond_next252
+        %tmp205818 = setgt sbyte 0, -1          ; <bool> [#uses=1]
+        br bool %tmp205818, label %cond_next208, label %bb217
+
+bb263:          ; preds = %cond_next252
+        %tmp265 = seteq int 0, 0                ; <bool> [#uses=1]
+        br bool %tmp265, label %cond_next276, label %cond_true266
+
+cond_true266:           ; preds = %bb263
+        ret void
+
+cond_next276:           ; preds = %bb263
+        %tmp278 = seteq int 0, 0                ; <bool> [#uses=1]
+        br bool %tmp278, label %cond_next298, label %cond_true279
+
+cond_true279:           ; preds = %cond_next276
+        ret void
+
+cond_next298:           ; preds = %cond_next276
+        call void %bitap( int %D.0.0 )
+        ret void
+}
+
+declare int %atoi()
+
+void %subset_pset() {
+entry:
+        ret void
+}
+
+void %strcmp() {
+entry:
+        ret void
+}
+