On Thu, 27 Jun 2019 at 13:30, Martin Liška <mli...@suse.cz> wrote: > > On 6/21/19 4:28 PM, Richard Biener wrote: > > On Fri, Jun 21, 2019 at 4:13 PM Jakub Jelinek <ja...@redhat.com> wrote: > >> > >> On Fri, Jun 21, 2019 at 04:04:00PM +0200, Martin Liška wrote: > >>> On 6/21/19 1:58 PM, Jakub Jelinek wrote: > >>>> On Fri, Jun 21, 2019 at 01:52:09PM +0200, Martin Liška wrote: > >>>>> On 6/21/19 1:47 PM, Jonathan Wakely wrote: > >>>>>> On Fri, 21 Jun 2019 at 11:40, Martin Liška wrote: > >>>>>>> Yes, I would be fine to deprecate that for GCC 10.1 > >>>>>> > >>>>>> Would it be appropriate to issue a warning in GCC 10.x if the option > >>>>>> is used? > >>>>> > >>>>> Sure. With the patch attached one will see: > >>>>> > >>>>> $ gcc -frepo /tmp/main.cc -c > >>>>> gcc: warning: switch ‘-frepo’ is no longer supported > >>>>> > >>>>> I'm sending patch that also removes -frepo tests from test-suite. > >>>>> I've been testing the patch. > >>>> > >>>> IMHO for just deprecation of an option you don't want to remove it from > >>>> the > >>>> testsuite, just match the warning it will generate in those tests, and > >>>> I'm not convinced you want to remove it from the documentation (rather > >>>> than > >>>> just saying in the documentation that the option is deprecated and might > >>>> be > >>>> removed in a later GCC version). > >>> > >>> Agree with you. I'm sending updated version of the patch. > >>> Patch can bootstrap on x86_64-linux-gnu and survives regression tests. > >> > >> I'm also not convinced about the Deprecated flag, seems like that is a flag > >> that we use for options that have been already removed. > >> So, instead there should be some proper warning in the C++ FE for it, > >> or just Warn. > > > > In principle -frepo is a nice idea - does it live up to its promises? That > > is, > > does it actually work, for example when throwing it on the libstdc++ > > testsuite or a larger C++ project? > > @Jonathan, Jason: Do we know whether it really work?
I don't know. It's nearly 20 years since I've tried it, but apparently a few people try using it: https://stackoverflow.com/search?q=frepo+c%2B%2B The first result was answered by me in 2012 saying nobody uses it: https://stackoverflow.com/a/11832613/981959
