On Tue, Jun 8, 2010 at 4:22 PM, Bingfeng Mei <b...@broadcom.com> wrote: > Yes, this is also what I saw without plugin. I just wonder why "vvvvv" > is linked with plugin if resolution file is not used to eliminate need > of externally_visible attribute here.
Probably because of the same linker-plugin bug that causes bar to be resolved. Richard. > Thanks, > Bingfeng > >> -----Original Message----- >> From: Richard Guenther [mailto:richard.guent...@gmail.com] >> Sent: 08 June 2010 15:18 >> To: Bingfeng Mei >> Cc: Jan Hubicka; gcc@gcc.gnu.org; Cary Coutant >> Subject: Re: externally_visible and resoultion file >> >> On Tue, Jun 8, 2010 at 4:15 PM, Bingfeng Mei <b...@broadcom.com> wrote: >> > Thanks. But why "vvvvv" is linked correctly here? Shouldn't it >> > be treated as static with -fwhole-program? >> >> Works for me without the linker plugin as well: >> >> > gcc-4.5 -O2 -o t t1.o t2.o -flto -fwhole-program -B >> /abuild/rguenther/trunk-g/gcc >> t2.o: In function `foo': >> t2.c:(.text+0x15): undefined reference to `bar' >> t2.c:(.text+0x1b): undefined reference to `vvvvvv' >> collect2: ld returned 1 exit status >> >> Richard. > > >
