Date: Fri, 16 Mar 2018 13:19:19 -0700 From: Linus Torvalds <torvalds@...ux-foundation.org> To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com> Cc: Al Viro <viro@...iv.linux.org.uk>, Florian Weimer <fweimer@...hat.com>, Kees Cook <keescook@...omium.org>, Andrew Morton <akpm@...ux-foundation.org>, Josh Poimboeuf <jpoimboe@...hat.com>, Rasmus Villemoes <linux@...musvillemoes.dk>, Randy Dunlap <rdunlap@...radead.org>, Ingo Molnar <mingo@...nel.org>, David Laight <David.Laight@...lab.com>, Ian Abbott <abbotti@....co.uk>, linux-input <linux-input@...r.kernel.org>, linux-btrfs <linux-btrfs@...r.kernel.org>, Network Development <netdev@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Kernel Hardening <kernel-hardening@...ts.openwall.com> Subject: Re: [PATCH v5 0/2] Remove false-positive VLAs when using max() On Fri, Mar 16, 2018 at 1:14 PM, Linus Torvalds <torvalds@...ux-foundation.org> wrote: > > It does not work with gcc-4.1.x, but works with gcc-4.4.x. > > I can't seem to see the errors any way, I wonder if > __builtin_choose_expr() simply didn't exist back then. No, that goes further back. It seems to be -Wvla itself that doesn't exist in 4.1, so the test build failed simply because I used that flag ;) Linus
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