[clang] Propagate lifetimebound from formal parameters to those in the canonical declaration and use that for analysis (PR #107627)

[via cfe-commits]

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@@ -499,6 +499,7 @@ static bool isNormalAssignmentOperator(const FunctionDecl *FD) {
 }
 
 bool implicitObjectParamIsLifetimeBound(const FunctionDecl *FD) {
+  FD = FD->getMostRecentDecl();
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higher-performance wrote:

Done.

https://github.com/llvm/llvm-project/pull/107627