[test] Remove an unintentional -x cl flag in an aarch64-windows test

This test was only intended to test compiling C, not OpenCL.

Differential Revision: https://reviews.llvm.org/D36363

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310222 91177308-0d34-0410-b5e6-96231b3b80d8

test/Preprocessor/predefined-macros.c

@@ -193,7 +193,7 @@
 // MSCOPE:#define __OPENCL_MEMORY_SCOPE_WORK_GROUP 1
 // MSCOPE:#define __OPENCL_MEMORY_SCOPE_WORK_ITEM 0
 
-// RUN: %clang_cc1 -triple aarch64-windows %s -E -dM -o - -x cl \
+// RUN: %clang_cc1 -triple aarch64-windows %s -E -dM -o - \
 // RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-ARM64-WIN
 
 // CHECK-ARM64-WIN: #define _M_ARM64 1