https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69522
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |4.5.4 Target Milestone|--- |4.9.4 Summary|gcc hangs on valid code on |[4.9/5/6 Regression] gcc |x86_64-linux-gnu |hangs on valid code on | |x86_64-linux-gnu Known to fail| |4.6.4, 4.7.4, 4.8.4, 4.9.3, | |5.3.0, 6.0 --- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Thus, regression.