[clang] [llvm] [Clang][AIX] Add -mloadtime-comment-vars flag to preserve identifying variables (PR #187986)

[Wael Yehia via cfe-commits]

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@@ -26,6 +26,23 @@ def err_fe_linking_module : Error<"cannot link module '%0': %1">, DefaultFatal;
 def warn_fe_linking_module : Warning<"linking module '%0': %1">, InGroup<LinkerWarnings>;
 def note_fe_linking_module : Note<"linking module '%0': %1">;
 
+def warn_loadtime_comment_var_volatile : Warning<
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w2yehia wrote:

you can combine all 4 messages in to 1 parameterized message given they are all saying that the specified variable does not meat condition X and will not be preserved.

https://github.com/llvm/llvm-project/pull/187986