[Bug target/119479] wrong sign caused by substraction operand swap of two dot product operands

[jondaniel879 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119479

--- Comment #1 from Jon Daniel <jondaniel879 at gmail dot com> ---
*** Bug 115362 has been marked as a duplicate of this bug. ***