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

[Aaron Ballman via Phabricator via llvm-commits]

aaron.ballman added a comment.

In D99825#2671963 <https://reviews.llvm.org/D99825#2671963>, @xbolva00 wrote:

>>> 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.

FWIW, that suggests to me that `-Wreturn-type` should be an error in C++ by default.


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https://reviews.llvm.org/D99825