On Tue, May 13, 2025 at 4:34 AM Kito Cheng <kito.ch...@sifive.com> wrote:
>
> We forgot to initialize m_allow_adding_dup in the constructor of
> riscv_subset_list, then that will be a random value...that will lead
> to a random behavior of the -march may accpet duplicate extension.
>
> gcc/ChangeLog:
>
> * common/config/riscv/riscv-common.cc
> (riscv_subset_list::riscv_subset_list): Init m_allow_adding_dup.
Reviewed-by: Christoph Müllner <christoph.muell...@vrull.eu>
Thanks!
> ---
> gcc/common/config/riscv/riscv-common.cc | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/common/config/riscv/riscv-common.cc
> b/gcc/common/config/riscv/riscv-common.cc
> index d3240f79240..2834697a857 100644
> --- a/gcc/common/config/riscv/riscv-common.cc
> +++ b/gcc/common/config/riscv/riscv-common.cc
> @@ -620,7 +620,7 @@ riscv_subset_t::riscv_subset_t ()
>
> riscv_subset_list::riscv_subset_list (const char *arch, location_t loc)
> : m_arch (arch), m_loc (loc), m_head (NULL), m_tail (NULL), m_xlen (0),
> - m_subset_num (0)
> + m_subset_num (0), m_allow_adding_dup (false)
> {
> }
>
> --
> 2.34.1
>
