[clang] [clang][X86] Support __attribute__((model("small"/"large"))) (PR #124834)

[Artem Belevich via cfe-commits]

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@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple riscv64 -verify=expected,riscv64 -fsyntax-only %s
 // RUN: %clang_cc1 -triple x86_64 -verify=expected,x86_64 -fsyntax-only %s
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Artem-B wrote:

It would be great to check nvptx64 as well -- we want to make sure this does not break CUDA compilation which will likely end up using these attributes.

https://github.com/llvm/llvm-project/pull/124834