Upgrade Microsoft's __int8, __int16, __int32 and __int64 types from builtin defines to real types.

Otherwise statements like:
  __int64 var = __int64(0);

would be expanded to:
  long long var = long long(0);

and fail to compile.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130369 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/MicrosoftExtensions.cpp b/test/Parser/MicrosoftExtensions.cpp
index cf83303..a5d2d51 100644
--- a/test/Parser/MicrosoftExtensions.cpp
+++ b/test/Parser/MicrosoftExtensions.cpp
@@ -151,4 +151,6 @@
 __interface MicrosoftInterface {
    virtual void foo1() = 0;
    virtual void foo2() = 0;
-};
\ No newline at end of file
+};
+
+__int64 x7 = __int64(0);