[clang] [Lifetime Safety] Highlight lifetimebound calls in alias chain diagnostics (PR #206337)

[via cfe-commits]

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@@ -670,14 +670,39 @@ class LifetimeSafetySemaHelperImpl : public LifetimeSafetySemaHelper {
 
     const Expr *LastExpr = OriginExprChain.back();
     std::string IssueStr = getDiagSubjectDescription(LastExpr);
+    std::optional<LifetimeBoundParamInfo> HiddenLifetimeBound;
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NeKon69 wrote:

One idea that comes to my mind here is comparing the source ranges of those expressions, if they match, then we can pass on `LifetimeBoundInfo` into `HiddenLifetimeBound`, otherwise not.

https://github.com/llvm/llvm-project/pull/206337