[Bug libfortran/85253] [8 Regression] asan detects heap-buffer-overflow in matmul_r4.c

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85253

--- Comment #4 from Vittorio Zecca <zeccav at gmail dot com> ---
After applying the fix in comment #3 the asan message disappeared.