diff --git a/test/CodeGen/X86/2007-07-10-StackerAssert.ll b/test/CodeGen/X86/2007-07-10-StackerAssert.ll
new file mode 100644
index 0000000..120284f
--- /dev/null
+++ b/test/CodeGen/X86/2007-07-10-StackerAssert.ll
@@ -0,0 +1,41 @@
+; RUN: llvm-as < %s | llc -mtriple=i686-pc-linux-gnu -mcpu=athlon -relocation-model=pic
+; PR1545
+
+@.str97 = external constant [56 x i8]		; <[56 x i8]*> [#uses=1]
+
+declare void @PR_LogPrint(i8*, ...)
+
+define i32 @_ZN13nsPrintEngine19SetupToPrintContentEP16nsIDeviceContextP12nsIDOMWindow() {
+entry:
+	br i1 false, label %cond_true122, label %cond_next453
+
+cond_true122:		; preds = %entry
+	br i1 false, label %bb164, label %cond_true136
+
+cond_true136:		; preds = %cond_true122
+	ret i32 0
+
+bb164:		; preds = %cond_true122
+	br i1 false, label %bb383, label %cond_true354
+
+cond_true354:		; preds = %bb164
+	ret i32 0
+
+bb383:		; preds = %bb164
+	%tmp408 = load float* null		; <float> [#uses=2]
+	br i1 false, label %cond_true425, label %cond_next443
+
+cond_true425:		; preds = %bb383
+	%tmp430 = load float* null		; <float> [#uses=1]
+	%tmp432 = sub float %tmp430, %tmp408		; <float> [#uses=1]
+	%tmp432433 = fpext float %tmp432 to double		; <double> [#uses=1]
+	%tmp434435 = fpext float %tmp408 to double		; <double> [#uses=1]
+	call void (i8*, ...)* @PR_LogPrint( i8* getelementptr ([56 x i8]* @.str97, i32 0, i32 0), double 0.000000e+00, double %tmp434435, double %tmp432433 )
+	ret i32 0
+
+cond_next443:		; preds = %bb383
+	ret i32 0
+
+cond_next453:		; preds = %entry
+	ret i32 0
+}