[clang] [coroutines][coro_lifetimebound] Detect lifetime issues with lambda captures (PR #77066)

[Chuanqi Xu via cfe-commits]

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@@ -33,6 +34,7 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/Casting.h"
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ChuanqiXu9 wrote:

Maybe we don't need this?

https://github.com/llvm/llvm-project/pull/77066