[Bug tree-optimization/89134] A missing optimization opportunity for a simple branch in loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89134 Feng Xue changed: What|Removed |Added CC||innat_xue at hotmail dot com --- Comment #7

[Bug tree-optimization/89134] A missing optimization opportunity for a simple branch in loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89134 --- Comment #8 from Feng Xue --- My mistake, transformation should be: void f (std::map m) { for (auto it = m.begin (); it != m.end (); ++it) { if (b) { b = do_something(); } else { ++it; b