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Subject: [Bug c++/105912] internal compiler error: in extract_call_expr, at
 cp/call.cc:7114
Date: Thu, 21 Jul 2022 18:38:38 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105912

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Patrick Palka
<ppalka@gcc.gnu.org>:

https://gcc.gnu.org/g:a074ae297d5dbd69e03c6c30f9cb7720685fdb62

commit r12-8606-ga074ae297d5dbd69e03c6c30f9cb7720685fdb62
Author: Patrick Palka <ppalka@redhat.com>
Date:   Thu Jul 21 12:59:44 2022 -0400

    c++: non-dependent call to consteval operator [PR105912]

    Here we're crashing when substituting a non-dependent call to a
    consteval operator, whose CALL_EXPR_OPERATOR_SYNTAX flag we try to
    propagate to the result, but the result isn't a CALL_EXPR since the
    selected function is consteval.  This patch fixes this by checking the
    result of extract_call_expr accordingly.  (Note that we can't check
    DECL_IMMEDIATE_FUNCTION_P here because we don't know which function was
    selected by overload resolution from here.)

            PR c++/105912

    gcc/cp/ChangeLog:

            * call.cc (extract_call_expr): Return a NULL_TREE on failure
            instead of asserting.
            * pt.cc (tsubst_copy_and_build) <case CALL_EXPR>: Guard against
            NULL_TREE extract_call_expr result.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp2a/consteval31.C: New test.

    (cherry picked from commit f70c18524221dcefa6cd26cee7b55503181bd912)=