Disable diagnistics in lifetime dependence inference on builtins

Author: meg-gupta

lib/Sema/LifetimeDependence.cpp

@@ -470,6 +470,11 @@ LifetimeDependenceInfo::infer(AbstractFunctionDecl *afd, Type resultType) {
       continue;
     }
     if (candidateParam) {
+      if (auto *fd = dyn_cast<FuncDecl>(afd)) {
+        if (fd->isImplicit() && fd->getModuleContext()->isBuiltinModule()) {
+          return std::nullopt;
+        }
+      }
       diags.diagnose(
           returnLoc,
           diag::lifetime_dependence_cannot_infer_ambiguous_candidate);