Re: [patch gcc13] middle-end/70090: Dynamic sizes for -fsanitize=object-size

[Jakub Jelinek via Gcc-patches]

On Mon, Feb 07, 2022 at 05:31:58PM +0530, Siddhesh Poyarekar wrote:
> Use __builtin_dynamic_object_size to get object sizes for ubsan.
> 
> gcc/ChangeLog:
> 
>       middle-end/70090
>       * ubsan.cc (ubsan_expand_objsize_ifn): Allow non-constant SIZE.
>       (instrument_object_size): Get dynamic object size expression.
> 
> gcc/testsuite/ChangeLog:
> 
>       middle-end/70090
>       * gcc.dg/ubsan/object-size-dyn.c: New test.
> 
> Signed-off-by: Siddhesh Poyarekar <siddh...@gotplt.org>
> ---
> Proposing for gcc13 since I reckoned this is not feasible for stage 4.

Ok for stage1.

        Jakub