[clang] [clang] Implement address sanitizer on AIX (1/6) (PR #129925)

[Fangrui Song via cfe-commits]

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@@ -256,6 +256,8 @@ def err_drv_malformed_sanitizer_metadata_ignorelist : Error<
   "malformed sanitizer metadata ignorelist: '%0'">;
 def err_drv_unsupported_static_sanitizer_darwin : Error<
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MaskRay wrote:

Rename this one to `err_drv_unsupported_static_sanitizer` and make the platform name a parameter

https://github.com/llvm/llvm-project/pull/129925