[PATCH] D115440: Provide __builtin_alloca*_uninitialized variants

[Marco Elver via Phabricator via cfe-commits]

melver abandoned this revision.
melver added a comment.

GCC devs say that initializing explicit alloca() is a bug, because they aren't "automatic storage": https://lkml.kernel.org/r/20211209201616.GU614@gate.crashing.org
.. which is also the reason why GCC's behaviour differs here at the moment.

I actually agree with that, and alloca auto-init behaviour needs a new -mllvm param.


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  https://reviews.llvm.org/D115440/new/

https://reviews.llvm.org/D115440