https://gcc.gnu.org/bugzilla/show_bug.cgi?id=76490
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-08-14 Known to work| |4.9.4 Summary|when use -O2 -fcheck-founds |[5/6/7 Regression] when use |compiler appears to hang |-O2 -fcheck-founds compiler |and consumes all memory |appears to hang and | |consumes all memory Ever confirmed|0 |1 Known to fail| |5.4.0, 6.1.0, 7.0 --- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Confirmed with '-O1 -fcheck=bounds -ftree-vrp' from 5.4.0 up to trunk (7.0). The test compiles with '-O2 -fcheck=bounds -fno-tree-vrp'. The change occurred between revisions r226476 (2015-08-02, compiles) and r227016 (2015-08-19, hangs).