[Bug fortran/97063] [ MATMUL intrinsic] The value of result is wrong when vector (step size is negative) * matrix

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97063

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |10.2.1, 11.0, 7.4.1, 8.4.1,
                   |                            |9.3.1
                 CC|                            |anlauf at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2020-09-18
     Ever confirmed|0                           |1
           Priority|P3                          |P4

--- Comment #1 from anlauf at gcc dot gnu.org ---
Confirmed.  This happens with all real kinds, not only kind=16.

The output is easier to read when replacing

  write(*,'(5F5.1)') arr3

by

  write(*,'(10F5.1)') arr3

etc.