[lld] [libc] [openmp] [lldb] [compiler-rt] [clang] [libcxx] [llvm] [clang-tools-extra] [mlir] [pstl] [Driver] Test ignored target-specific options for AMDGPU/NVPTX (PR #79222)

[Fangrui Song via cfe-commits]

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@@ -0,0 +1,5 @@
+/// Some target-specific options are ignored for GPU, so %clang exits with code 0.
+// DEFINE: %{check} = %clang -### -c -mcmodel=medium
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MaskRay wrote:

In general the error reporting is done in the driver and cc1 allows and ignores options that may be specific to other targets.

> That said, we do have other options that we do need to suppress/ignore and some of that does happen on cc1 level.

Perhaps we should figure out them and check whether they should be moved to the driver

https://github.com/llvm/llvm-project/pull/79222