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Subject: [Bug target/103628] ICE: Segmentation fault (in
 gfc_conv_tree_to_mpfr)
Date: Fri, 24 Mar 2023 02:48:26 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103628

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

https://gcc.gnu.org/g:3b67db31236631432e7f6d74ed49af9ae2183a4d

commit r13-6843-g3b67db31236631432e7f6d74ed49af9ae2183a4d
Author: Haochen Gui <guihaoc@gcc.gnu.org>
Date:   Fri Mar 24 10:45:52 2023 +0800

    Fortran: Escalate failure when Hollerith constant to real conversion fa=
ils

    gcc/fortran/
            PR target/103628
            * target-memory.cc (gfc_interpret_float): Return FAIL when
            native_interpret_expr gets a NULL tree.
            * arith.cc (gfc_hollerith2real): Return NULL when
            gfc_interpret_float fails.
            * error.cc (gfc_buffered_p): Define.
            * gfortran.h (gfc_buffered_p): Declare.
            * intrinsic.cc: Add diagnostic.h to include list.
            (do_simplify): Save errorcount and check it at finish.  Report a
            "Cannot simplify expression" error on a bad result if error cou=
nt
            doesn't change and no other errors buffered.

    gcc/testsuite/
            PR target/103628
            * gfortran.dg/assumed_size_refs_2.f90: Check "Cannot simplify
            expression" error.
            * gfortran.dg/unpack_field_1.f90: Likewise.
            * gfortran.dg/pr103628.f90: New.

    Co-Authored-By: Tobias Burnus <tobias@codesourcery.com>=