Add test for parsing the XOR operator in Intel syntax inline assembly.

LLVM side of the patch was committed as r239695.

Differential Revision: http://reviews.llvm.org/D10384
Patch by marina.yatsina@intel.com

llvm-svn: 239696

clang/test/CodeGen/ms-inline-asm.c

@@ -432,6 +432,8 @@ void t37() {
 // CHECK: mov eax, $$4294967292
   __asm mov eax, ~15
 // CHECK: mov eax, $$4294967280
+  __asm mov eax, 6 ^ 3
+// CHECK: mov eax, $$5
 // CHECK: "~{eax},~{dirflag},~{fpsr},~{flags}"()
 }