[clang] [Clang] Implement P2718R0 "Lifetime extension in range-based for loops" (PR #76361)

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@@ -238,3 +239,236 @@ void init_capture_init_list() {
   // CHECK: call {{.*}}dtor
   // CHECK: }
 }
+
+namespace P2718R0 {
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yronglin wrote:

agree, I have compiled this case, Currently, clang will not extending lifetime of temporaries in this case.

https://github.com/llvm/llvm-project/pull/76361