[test] Fix run line to use correct triple

objc_begin_catch/objc_end_catch are specific to the Itanium ABI, so we
should be using an Itanium triple for this test.

Additionally, while I'm here, convert the run line to invoke the
compiler directly rather than going through the driver.

llvm-svn: 332777

clang/test/CodeGenObjC/runtime-abi-match.m

@@ -1,4 +1,4 @@
-// RUN: %clang -target armv7-windows -fobjc-runtime=ios -O1 -fexceptions -S -emit-llvm %s -o - | FileCheck %s
+// RUN: %clang_cc1 -triple thumbv7--windows-itanium -fobjc-runtime=ios -O1 -fexceptions -fobjc-exceptions -emit-llvm %s -o - | FileCheck %s
 // REQUIRES: arm-registered-target
 
 void (*f)(id);