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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/113408] ICE: in handle_cast, at
 gimple-lower-bitint.cc:1539 at -O with _BitInt()
Date: Wed, 17 Jan 2024 12:57:44 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113408

--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jakub Jelinek <jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:2fb78d431ff3c05997ef31837d6eb319d84a4239

commit r14-8184-g2fb78d431ff3c05997ef31837d6eb319d84a4239
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Wed Jan 17 13:55:50 2024 +0100

    lower-bitint: Fix up VIEW_CONVERT_EXPR handling [PR113408]

    Unlike NOP_EXPR/CONVERT_EXPR which are GIMPLE_UNARY_RHS, VIEW_CONVERT_E=
XPR
    is GIMPLE_SINGLE_RHS and so gimple_assign_rhs1 contains the operand wra=
pped
    in VIEW_CONVERT_EXPR tree.

    So, to handle it like other casts we need to look through it.

    2024-01-17  Jakub Jelinek  <jakub@redhat.com>

            PR tree-optimization/113408
            * gimple-lower-bitint.cc (bitint_large_huge::handle_stmt): For
            VIEW_CONVERT_EXPR, pass TREE_OPERAND (rhs1, 0) rather than rhs1
            to handle_cast.

            * gcc.dg/bitint-71.c: New test.=