[Bug fortran/99840] [9/10/11 Regression] ICE in gfc_simplify_matmul, at fortran/simplify.c:4777

[anlauf at gmx dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99840

--- Comment #7 from Harald Anlauf <anlauf at gmx dot de> ---
> The simple patch in comment #2 also works.

I know.  But it only covers the issue in gfc_simplify_transpose.