[PATCH] D99825: [cmake] Enable -Werror=return-type for clang

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 added a comment.

>> Unlike in C, in C++, flowing off the end of a non-void function other than main results in undefined behavior even when the value of the function is not used.


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  https://reviews.llvm.org/D99825/new/

https://reviews.llvm.org/D99825