[Bug c/106830] [13 Regression] ICE: in tree_to_uhwi, at tree.cc:6392 (from check_for_xor_used_as_pow) since r13-2386-gbedfca647a9e9c1a

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106830

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalcolm@gcc.gnu.org>:

https://gcc.gnu.org/g:86254629b636db579616befde49022f098af8148

commit r13-2773-g86254629b636db579616befde49022f098af8148
Author: David Malcolm <dmalcolm@redhat.com>
Date:   Thu Sep 22 08:35:26 2022 -0400

    c: fix uninitialized c_expr::m_decimal [PR106830]

    I added c_expr::m_decimal in r13-2386-gbedfca647a9e9c1a as part of the
    implementation of -Wxor-used-as-pow, but I missed various places where
    the field needed to be initialized.

    Fixed thusly.

    gcc/c-family/ChangeLog:
            PR c/106830
            * c-warn.cc (check_for_xor_used_as_pow): Don't try checking
            values that don't fit in uhwi.

    gcc/c/ChangeLog:
            PR c/106830
            * c-parser.cc (c_parser_initelt): Initialize m_decimal.
            (c_parser_cast_expression): Likewise.
            (c_parser_alignof_expression): Likewise.
            (c_parser_postfix_expression_after_paren_type): Likewise.
            (c_parser_postfix_expression_after_primary): Likewise.
            (c_parser_expression): Likewise.
            (c_parser_omp_variable_list): Likewise.
            (c_parser_transaction_expression): Likewise.
            * c-tree.h (c_expr::set_error): Likewise.
            * c-typeck.cc (c_expr_sizeof_expr): Likewise.
            (parser_build_unary_op): Likewise.
            (parser_build_binary_op): Likewise.
            (digest_init): Likewise.
            (pop_init_level): Likewise.
            * gimple-parser.cc (c_parser_gimple_call_internal): Likewise.

    gcc/testsuite/ChangeLog:
            PR c/106830
            * gcc.dg/Wxor-used-as-pow-pr106830.c: New test.

    Signed-off-by: David Malcolm <dmalcolm@redhat.com>