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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/97063] [ MATMUL intrinsic] The value of result is wrong
 when vector (step size is negative) * matrix
Date: Fri, 18 Sep 2020 20:49:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97063

--- Comment #2 from anlauf at gcc dot gnu.org ---
Interestingly, the bug "disappears" if frontend optimization is enabled
(-ffrontend-optimize), thus at all optimizations that enable it.=