[clang] [OpenCL] Add warning for reserved 'long long' type (PR #196002)

[Wenju He via cfe-commits]

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@@ -8,8 +8,6 @@ kernel void test() {
   int v1[(__alignof(int)== 4) ? 1 : -1];
   int v2[(sizeof(long) == 8) ? 1 : -1];
   int v3[(__alignof(long)== 8) ? 1 : -1];
-  int v4[(sizeof(long long) == 16) ? 1 : -1];
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wenju-he wrote:

done, reverted change and disabled the warning for the test

https://github.com/llvm/llvm-project/pull/196002