Re: [C PATCH]: fix checking ICE on pointer to a VLA of a tagged type [PR126284]

Joseph Myers <[email protected]> Fri, 31 Jul 2026 22:32:43 +0000 (UTC)

Newsgroups	gmane.comp.gcc.patches
Message-ID	<[email protected]>

On Sun, 19 Jul 2026, Martin Uecker wrote:

> Bootstrapped and regression tested on x86_64.
> 
> 
>     c: fix checking ICE on pointer to a VLA of a tagged type [PR126284]
>     
>     Remove the check for complete types in top_array_vla_p because
>     it is incorrect and we may end up encountering an array with
>     incomplete element type in c_verify_type.  This can happen by
>     replacing structures or unions with their incomplete version when
>     constructing the canonical type.
>     
>             PR c/126284
>     
>     gcc/c/ChangeLog:
>             * c-typeck.cc (top_array_vla_p): Remove check.
>     
>     gcc/testsuite/ChangeLog:
>             * gcc.dg/pr126284.c: New test.

OK.

-- 
Joseph S. Myers
[email protected]