On Mon, Nov 7, 2022 at 12:52 PM Vladimir Makarov wrote:
> even better patch:
>
> diff --git a/gcc/ira-color.cc b/gcc/ira-color.cc
> index 4a1a325e8e3..ffe73b61c45 100644
> --- a/gcc/ira-color.cc
> +++ b/gcc/ira-color.cc
> @@ -2209,8 +2209,8 @@ assign_hard_reg (ira_allocno_t a, bool retry_p)
>
On 2022-11-07 04:46, Max Filippov wrote:
gcc/
* ira-color.cc (update_costs_from_allocno): Check that allocno
is in the consideration_allocno_bitmap before dereferencing
ALLOCNO_COLOR_DATA (allocno).
---
This fixes the invalid memory access, but I'm not sure if that's
suf
gcc/
* ira-color.cc (update_costs_from_allocno): Check that allocno
is in the consideration_allocno_bitmap before dereferencing
ALLOCNO_COLOR_DATA (allocno).
---
This fixes the invalid memory access, but I'm not sure if that's
sufficient and there's no remaining higher level
