[clang] [X86] Emit Warnings for frontend options to enable knl/knm. (PR #75580)

[Craig Topper via cfe-commits]

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@@ -349,6 +349,8 @@ def warn_invalid_feature_combination : Warning<
 def warn_target_unrecognized_env : Warning<
   "mismatch between architecture and environment in target triple '%0'; did you mean '%1'?">,
   InGroup<InvalidCommandLineArgument>;
+def warn_knl_knm_target_supports_remove : Warning<
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topperc wrote:

supports -> support remove->removed to match the string

https://github.com/llvm/llvm-project/pull/75580