diff --git a/llvm/test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll b/llvm/test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll
new file mode 100644
index 000000000000..3c8bc90c2db2
--- /dev/null
+++ b/llvm/test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep 'mov %gs:72, %eax'
+target datalayout = "e-p:32:32"
+target triple = "i686-apple-darwin9"
+
+define void @test() {
+	%tmp1 = tail call i32* asm sideeffect "mov %gs:${1:P}, $0", "=r,i,~{dirflag},~{fpsr},~{flags}"( i32 72 )		; <%struct._pthread*> [#uses=1]
+	ret void
+}
+
+