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Subject: [Bug fortran/95614] ICE in build_field, at fortran/trans-common.c:301
Date: Sun, 27 Sep 2020 16:30:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95614

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Mark Eggleston
<markeggleston@gcc.gnu.org>:

https://gcc.gnu.org/g:7a8c40bca889785fc4664e5e11c430e31d297696

commit r9-8942-g7a8c40bca889785fc4664e5e11c430e31d297696
Author: Mark Eggleston <markeggleston@gcc.gnu.org>
Date:   Thu Jun 11 14:33:51 2020 +0100

    Fortran  :  ICE in build_field PR95614

    Local identifiers can not be the same as a module name.  Original
    patch by Steve Kargl resulted in name clashes between common block
    names and local identifiers.  A local identifier can be the same as
    a global identier if that identifier represents a common.  The patch
    was modified to allow global identifiers that represent a common
    block.

    2020-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
                Mark Eggleston  <markeggleston@gcc.gnu.org>

    gcc/fortran/

            PR fortran/95614
            * decl.c (gfc_get_common): Use gfc_match_common_name instead
            of match_common_name.
            * decl.c (gfc_bind_idents): Use gfc_match_common_name instead
            of match_common_name.
            * match.c : Rename match_common_name to gfc_match_common_name.
            * match.c (gfc_match_common): Use gfc_match_common_name instead
            of match_common_name.
            * match.h : Rename match_common_name to gfc_match_common_name.
            * resolve.c (resolve_common_vars): Check each symbol in a
            common block has a global symbol.  If there is a global symbol
            issue an error if the symbol type is known as is not a common
            block name.

    2020-09-27  Mark Eggleston  <markeggleston@gcc.gnu.org>

    gcc/testsuite/

            PR fortran/95614
            * gfortran.dg/pr95614_1.f90: New test.
            * gfortran.dg/pr95614_2.f90: New test.

    (cherry picked from commit e5a76af3a2f3324efc60b4b2778ffb29d5c377bc)=