Fix test command line to avoid generating output file.

llvm-svn: 204437
diff --git a/llvm/test/CodeGen/ARM/inline-diagnostics.ll b/llvm/test/CodeGen/ARM/inline-diagnostics.ll
index 245fa79f..7b77da2 100644
--- a/llvm/test/CodeGen/ARM/inline-diagnostics.ll
+++ b/llvm/test/CodeGen/ARM/inline-diagnostics.ll
@@ -1,4 +1,4 @@
-; RUN: not llc %s -verify-machineinstrs -mtriple=armv7-none-linux-gnu -mattr=+neon 2>&1 | FileCheck %s
+; RUN: not llc < %s -verify-machineinstrs -mtriple=armv7-none-linux-gnu -mattr=+neon 2>&1 | FileCheck %s
 
 %struct.float4 = type { float, float, float, float }