[clang] [HIP] Support compressing device binary (PR #67162)

[Joseph Huber via cfe-commits]

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@@ -1183,6 +1183,10 @@ def fgpu_inline_threshold_EQ : Joined<["-"], "fgpu-inline-threshold=">,
 def fgpu_sanitize : Flag<["-"], "fgpu-sanitize">, Group<f_Group>,
   HelpText<"Enable sanitizer for supported offloading devices">;
 def fno_gpu_sanitize : Flag<["-"], "fno-gpu-sanitize">, Group<f_Group>;
+
+def foffload_compress : Flag<["-"], "foffload-compress">,
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jhuber6 wrote:

All the other offload options use `--` so we should probably stay consistent.

https://github.com/llvm/llvm-project/pull/67162