https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86964
--- Comment #14 from rguenther at suse dot de <rguenther at suse dot de> --- On Wed, 15 May 2019, patrickdepinguin at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86964 > > --- Comment #13 from Thomas De Schampheleire <patrickdepinguin at gmail dot > com> --- > I have applied the patch on a gcc 7.4 PPC toolchain, and tested on a code base > where the problem existed. The original ELF object size (of one example source > file) in a pre-gcc-7 toolchain (gcc 4.9.2) was 219K. With an unpatched gcc 7 > based toolchain, this had become 6.2M. > > With the patch applied, with the same command-line as before, there is no > change, i.e. object size is still 6.2M. Only by adding the extra option > -feliminate-unused-debug-symbols, the object size drops back to a reasonable > 218K. > > My question is now: why is it needed to explicitly specify > -feliminate-unused-debug-symbols? Is this an intended behavior change compared > to e.g gcc 4.9? We should probably switch the default to be consistent with -feliminate-unused-debug-types
