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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/103185] [11/12/13 Regression] ind[arr] is rejected when arr
 is an array prvalue
Date: Wed, 24 Jan 2024 19:40:52 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103185

--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:

https://gcc.gnu.org/g:0da4402bd4b350691b2301003de62268f865d91c

commit r12-10111-g0da4402bd4b350691b2301003de62268f865d91c
Author: Jason Merrill <jason@redhat.com>
Date:   Tue Dec 19 16:12:02 2023 -0500

    c++: xvalue array subscript [PR103185]

    Normally we handle xvalue array subscripting with ARRAY_REF, but in this
    case we weren't doing that because the operands were reversed.  Handle =
that
    case better.

            PR c++/103185

    gcc/cp/ChangeLog:

            * typeck.cc (cp_build_array_ref): Handle swapped operands.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp1z/array-prvalue2.C: New test.
            * g++.dg/cpp1z/eval-order3.C: Test swapped operands.

    (cherry picked from commit 8dfc52a75d4d6c8be1c61b4aa831b1812b14a10e)=