Make clang -cc1 disable Objective-C exceptions by default, and add a -fobjc-exceptions flag to turn them on.

Update all tests accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126177 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Coverage/ast-printing.m b/test/Coverage/ast-printing.m
index d9c97d4..81c3a6b 100644
--- a/test/Coverage/ast-printing.m
+++ b/test/Coverage/ast-printing.m
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -fsyntax-only %s
-// RUN: %clang_cc1 -ast-print %s
-// RUN: %clang_cc1 -ast-dump %s
+// RUN: %clang_cc1 -fsyntax-only -fobjc-exceptions %s
+// RUN: %clang_cc1 -ast-print -fobjc-exceptions %s
+// RUN: %clang_cc1 -ast-dump -fobjc-exceptions %s
 
 #include "objc-language-features.inc"