[clang] [HLSL][SPIR-V] Add vk::ext_builtin_output attribute (PR #188268)

[Nathan Gauër via cfe-commits]

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+// RUN: %clang_cc1 -triple spirv-unkown-vulkan1.3-compute -x hlsl -hlsl-entry foo  -finclude-default-header -o - %s -verify
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Keenuts wrote:

Thanks, interesting to see this doesn't fail the test.

https://github.com/llvm/llvm-project/pull/188268