https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |memory-hog Component|other |middle-end Known to work| |4.4.7 Target Milestone|--- |4.8.5 Summary|Inordinate cpu time and |[4.8/4.9/5 Regression] |memory usage in "phase opt |Inordinate cpu time and |and generate" with |memory usage in "phase opt |-ftest-coverage |and generate" with |-fprofile-arcs |-ftest-coverage | |-fprofile-arcs --- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Given from the description I suppose that non-profiling/coverage mode is fine.