https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78535
--- Comment #1 from Daniel Starke <daniel.f.starke at freenet dot de> --- Comparing the outputs created with -fdump-tree-all enabled for both tested command-line combinations hints that -flto -fdevirtualize fails when one of the following passes is enabled via -O1: - nothrow - early_optimizations - objsz1 - ccp1 - forwprop1 - esra - ealias - fre1 - mergephi1 - dse1 - cddce1 - local-pure-const1
