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In the edge case of a coroutine not containing any locals, the ifcd/switch temporaries would get added to the coroutine frame, corrupting its layout. To prevent this, we can make sure there is always a BIND_EXPR at the top of the function body, and thus, always a place for our new temporaries to go without interfering with the coroutine frame. PR c++/106188 - Incorrect frame layout after transforming conditional statement without top-level bind expression PR c++/106713 - if (co_await ...) crashes with a jump to ud2 PR c++/106188 PR c++/106713 gcc/cp/ChangeLog: * coroutines.cc (coro_rewrite_function_body): Ensure we have a BIND_EXPR wrapping the function body. gcc/testsuite/ChangeLog: * g++.dg/coroutines/pr106188.C: New test. Signed-off-by: Arsen Arsenović <arsen@aarsen.me>
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