Do not look for significant drop inside .await expansion
#13985
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Temporaries created inside the expansion of `.await` will be dropped and need no checking. Looking inside the expansion will trigger false positives.
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Temporaries created inside the expansion of
.awaitwill be dropped and need no checking. Looking inside the expansion will trigger false positives.changelog: [
significant_drop_in_scrutinee]: do not falsely warn for temporaries created by.awaitexpansionFix #13927