On Sun, May 18, 2014 at 12:38 PM, Jan Hubicka <hubi...@ucw.cz> wrote: > Hi, > this patch makes GCC to use resolution info to turn COMDAT and WEAK > symbols into regular symbols based on feedback given by linker plugin. > If resolution says that given symbol is prevailing, it is possible > to turn them into normal symbols, while when resolution says it > is prevailed, it is possible to turn them into external symbols. > > Doing so makes rest of the backend to work smoother on them. > We previously did this transformation partly for functions, this patch > just makes it to happen for variables too and implements the second > part (turning the symbol into external definition). > > Bootstrapped/regtested x86_64-linux and tested with libreoffice > build. Will commit it shortly. > > * ipa.c (update_visibility_by_resolution_info): New function. > (function_and_variable_visibility): Use it.
This caused: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67548 -- H.J.