[Bug c/100625] ICE on gimple program: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*)

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100625

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:086882b1c8faa8f99f98a9219ccec42d89db50c2

commit r12-839-g086882b1c8faa8f99f98a9219ccec42d89db50c2
Author: Richard Biener <rguent...@suse.de>
Date:   Mon May 17 14:47:08 2021 +0200

    c/100625 - avoid building invalid labels in the GIMPLE FE

    When duplicate labes are diagnosed, avoid building a GIMPLE_LABEL.

    2021-05-17  Richard Biener  <rguent...@suse.de>

            PR c/100625
    gcc/c/
            * gimple-parser.c (c_parser_gimple_label): Avoid building
            a GIMPLE label with NULL label decl.

    gcc/testsuite/
            * gcc.dg/gimplefe-error-9.c: New testcase.