[Bug rtl-optimization/93747] straight quotes

[roland.illig at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93747

--- Comment #1 from Roland Illig <roland.illig at gmx dot de> ---
Should be:
"ambiguous attribute %qs; could be %qs (via %<%s:%s%>) or %qs (via %<%s:%s%>)"