[PATCH] D126864: [clang] Introduce -fstrict-flex-arrays for stricter handling of flexible arrays

[Kees Cook via Phabricator via cfe-commits]

kees added a comment.

In D126864#3582360 <https://reviews.llvm.org/D126864#3582360>, @nickdesaulniers wrote:

> If the GCC developers split this into two distinct flags, should we land something we're just going to have to turn around and modify to match the new flags/semantics they've created?

I'm cautious about waiting on theoretical design choices. They appear to agree that a "fully strict" mode should exist, and that's what -fstrict-flex-arrays here gets us. I'd rather get this into Clang now so I can start working through all the new cases it finds instead of waiting for bikeshedding to end. If Clang needs to rename the option in a few months, I think that's okay. But I'll leave it up to @serge-sans-paille


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