https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106609
--- Comment #6 from Sébastien Michelland <sebastien.michell...@ens-lyon.fr> --- First bad commit is r12-1955-ga86b3453fc6e29cf0e19916b01c393652d838d56, though I don't know what path is taken from there to the incorrect rewrite.
