[Bug tree-optimization/108199] Bitfields, unions and SRA and storage_order_attribute

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108199

--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Eric Botcazou <ebotca...@gcc.gnu.org>:

https://gcc.gnu.org/g:3e1cba12a8d71e70235a9a9b8f1a237a561db3e7

commit r13-5109-g3e1cba12a8d71e70235a9a9b8f1a237a561db3e7
Author: Eric Botcazou <ebotca...@adacore.com>
Date:   Wed Jan 11 15:58:47 2023 +0100

    Fix problematic interaction between bitfields, unions, SSO and SRA

    The handling of bitfields by the SRA pass is peculiar and this must be
taken
    into account to support the scalar_storage_order attribute.

    gcc/
            PR tree-optimization/108199
            * tree-sra.cc (sra_modify_expr): Deal with reverse storage order
            for bit-field references.

    gcc/testsuite/
            * gcc.dg/sso-17.c: New test.