[clang] [clang] Detect dangling assignment for "Container<Pointer>" case. (PR #108205)

[Utkarsh Saxena via cfe-commits]

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@@ -601,17 +601,23 @@ void test() {
   std::optional<std::string_view> o4 = std::optional<std::string_view>(s); 
 
   // FIXME: should work for assignment cases
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usx95 wrote:

nit: remove fixme.

https://github.com/llvm/llvm-project/pull/108205