[clang] [Driver] Test ignored target-specific options for AMDGPU/NVPTX (PR #79222)

[Arthur Eubanks via cfe-commits]

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@@ -0,0 +1,7 @@
+/// Some target-specific options are ignored for GPU, so %clang exits with code 0.
+// DEFINE: %{gpu_opts} = --cuda-gpu-arch=sm_60 --cuda-path=%S/Inputs/CUDA/usr/local/cuda --no-cuda-version-check
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aeubanks wrote:

these defines seem overkill and harder to read compared to just duplicating the command line twice

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