On Fri, Feb 17, 2023 at 10:46 PM Andrew Pinski via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> get_range_query didn't support a nullptr argument
> before and would crash.
> See also the thread at
> https://inbox.sourceware.org/gcc/4f6718af-e17a-41ef-a886-f45e4ac3d...@redhat.com/T/
>
> OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions.
OK.
> gcc/ChangeLog:
>
> * value-query.h (get_range_query): Return the global ranges
> for a nullptr func.
> ---
> gcc/value-query.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/value-query.h b/gcc/value-query.h
> index 63878968118..2d7bf8fcf33 100644
> --- a/gcc/value-query.h
> +++ b/gcc/value-query.h
> @@ -140,7 +140,7 @@ get_global_range_query ()
> ATTRIBUTE_RETURNS_NONNULL inline range_query *
> get_range_query (const struct function *fun)
> {
> - return fun->x_range_query ? fun->x_range_query : &global_ranges;
> + return (fun && fun->x_range_query) ? fun->x_range_query : &global_ranges;
> }
>
> // Query the global range of NAME in function F. Default to cfun.
> --
> 2.17.1
>
