I'd be in favour of disabling by default. Roman
> Is there any advantage of using precompiled headers on Linux? It's on by > default and we keep having breakage where someone would forget to add > #include. The latest instance is JDK-8213148. > > I just turn on precompiled headers explicitly in all my builds. I don't > see any difference in build time (at least not significant enough for me > to bother). > > Should we disable it by default on Linux? > > Thanks > > - Ioi > >