Re-enable this test to reflect re-enabling the new SROA pass.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164987 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGenObjC/exceptions.m

@@ -2,10 +2,6 @@
 //
 // <rdar://problem/7471679> [irgen] [eh] Exception code built with clang (x86_64) crashes
 
-// XFAIL: *
-// This test is disabled until SROA fallout is fixed. Turn this test back on
-// once new SROA is enabled, or by reverting r164481.
-
 // Just check that we don't emit any dead blocks.
 @interface NSArray @end
 void f0() {