Make this test not match its own filename, when being run from a path that includes the string 'add'.

llvm-svn: 206331
diff --git a/llvm/test/CodeGen/Thumb/stack-frame.ll b/llvm/test/CodeGen/Thumb/stack-frame.ll
index fda7267..09d480a 100644
--- a/llvm/test/CodeGen/Thumb/stack-frame.ll
+++ b/llvm/test/CodeGen/Thumb/stack-frame.ll
@@ -1,4 +1,4 @@
-; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s
+; RUN: llc -mtriple=thumb-eabi < %s -o - | FileCheck %s
 
 define void @f1() {
 	%c = alloca i8, align 1