[clang] [Clang][AMDGPU] Add a new builtin type for buffer rsrc (PR #94830)

[Matt Arsenault via cfe-commits]

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@@ -0,0 +1,11 @@
+// REQUIRES: amdgpu-registered-target
+// RUN: %clang_cc1 -verify -triple amdgcn-amd-amdhsa -Wno-unused-value %s
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arsenm wrote:

set explicit -cl-std, and check 1.2 and 2.0? 

https://github.com/llvm/llvm-project/pull/94830