https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99840
--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Harald Anlauf <anl...@gcc.gnu.org>: https://gcc.gnu.org/g:d7cef070bf43bfb3f3d77bac42eadea06c4b0281 commit r11-7943-gd7cef070bf43bfb3f3d77bac42eadea06c4b0281 Author: Harald Anlauf <anl...@gmx.de> Date: Thu Apr 1 07:49:32 2021 +0200 PR fortran/99840 - ICE in gfc_simplify_matmul, at fortran/simplify.c:4777 The simplification of the transposition of a constant array shall properly initialize and set the shape of the result. gcc/fortran/ChangeLog: PR fortran/99840 * simplify.c (gfc_simplify_transpose): Properly initialize resulting shape. gcc/testsuite/ChangeLog: PR fortran/99840 * gfortran.dg/transpose_5.f90: New test.