On 05/23/2017 06:36 PM, Eli Schwartz wrote: > On 05/23/2017 04:04 PM, Jan Alexander Steffens wrote: >> No, this particular bug should have been fixed since 52.0... >> >> In any case, you can try CXXFLAGS+=" -fno-lifetime-dse >> -fno-delete-null-pointer-checks -fno-schedule-insns2" ; these were the >> optimization steps that used to cause trouble with GCC 6. > > I did say it was only a quick google, so probably it's a totally > different issue that also causes the general category of UI brokenness. > > I'll try this when I get a chance then. > > ... > > There and on bugzilla.mozilla.org and on the LFS firefox page, I've seen > the suggestion that firefox 53 still breaks on gcc7 with -O3 though, and > should be fixed with ac_add_options --enable-optimize="-O2". Yeah, -fno-lifetime-dse -fno-delete-null-pointer-checks -fno-schedule-insns2 did nothing, but ac_add_options --enable-optimize="-O2" fixed it at the cost of a 13 MB bigger install footprint and I suppose general lack of optimization. -- Eli Schwartz
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