[Bug target/95523] aarch64:ICE in register_tuple_type，at config/aarch64/aarch64-sve-builtins.cc:3434

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95523

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Sandiford <rsandifo@gcc.gnu.org>:

https://gcc.gnu.org/g:b5cebc9ab7f6ab47067dc04cae17bf9921a62a18

commit r11-1179-gb5cebc9ab7f6ab47067dc04cae17bf9921a62a18
Author: z00219097 <z.zhanghaijian@huawei.com>
Date:   Wed Jun 10 16:58:51 2020 +0100

    aarch64: Fix an ICE in register_tuple_type [PR95523]

    When registering the tuple type in register_tuple_type, the
    TYPE_ALIGN (tuple_type) will be changed by -fpack-struct=n. We need to
    maintain natural alignment in handle_arm_sve_h.

    2020-06-10  Haijian Zhang  <z.zhanghaijian@huawei.com>

    gcc/
            PR target/95523
            * config/aarch64/aarch64-sve-builtins.h
            (sve_switcher::m_old_maximum_field_alignment): New member.
            * config/aarch64/aarch64-sve-builtins.cc
            (sve_switcher::sve_switcher): Save maximum_field_alignment in
            m_old_maximum_field_alignment and clear maximum_field_alignment.
            (sve_switcher::~sve_switcher): Restore maximum_field_alignment.

    gcc/testsuite/
            PR target/95523
            * gcc.target/aarch64/sve/pr95523.c: New test.