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

[Aaron Ballman via llvm-commits]

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@@ -6846,6 +6846,10 @@ void Sema::InstantiateVariableDefinition(SourceLocation PointOfInstantiation,
                                        OldVar->getPointOfInstantiation());
     // Emit any deferred warnings for the variable's initializer
     AnalysisWarnings.issueWarningsForRegisteredVarDecl(Var);
+    // Variables named in '-mloadtime-comment-vars=' are normally processed in
+    // FinalizeDeclaration, which instantiated definitions do not reach.
+    if (!getLangOpts().LoadTimeCommentVars.empty() && !Var->isInvalidDecl())
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AaronBallman wrote:

When the predicate is moved into the helper function in SemaDecl.cpp, it can be removed from here too.

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