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

[Wenju He via cfe-commits]

================
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 %s -cl-std=CL1.0 -verify -fsyntax-only
+// RUN: %clang_cc1 %s -cl-std=CL1.2 -verify -fsyntax-only
+// RUN: %clang_cc1 %s -cl-std=CL2.0 -verify -fsyntax-only
+// RUN: %clang_cc1 %s -cl-std=CL3.0 -verify -fsyntax-only
----------------
wenju-he wrote:

done, thanks

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