[clang] [LifetimeSafety] Fix crash on explicit object member functions (PR #212154)

[via cfe-commits]

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@@ -929,6 +930,8 @@ void FactsGenerator::handleMovedArgsInCall(const FunctionDecl *FD,
   for (unsigned I = IsInstance;
        I < Args.size() && I < FD->getNumParams() + IsInstance; ++I) {
     const ParmVarDecl *PVD = FD->getParamDecl(I - IsInstance);
+    if (PVD->isExplicitObjectParameter())
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arhwx wrote:

Yes, but also because marking them as moved would trigger a `-Wlifetime-safety-lifetimebound-violation` warning on code that trunk accepts and would switch your t1 and t2 from `return-stack-addr` to `return-stack-addr-moved`.

https://github.com/llvm/llvm-project/pull/212154