On Tue, Oct 24, 2017 at 11:48:27AM +0200, Richard Biener wrote: > On Tue, 24 Oct 2017, Alan Modra wrote: > > The problem with making discarded symbols hidden is that the > > non-default visibility is sticky. When symbols other than the > > __gnu_lto ones are discarded that turns out to be a bad idea. > > So a UNDEF weak hidden causes a later non-weak defined default > visibility symbol to become hidden? The wonders of ELF ...
Yes.. > > Bootstrapped and regression tested powerpc64le-linux. OK? > > Ok. Committed r254042. Let's hope this works. Rewriting the symbol table, which of course is the right thing to do rather than these hacks, is a pain. Relocations would need r_info updates, and so would group signatures. -- Alan Modra Australia Development Lab, IBM
