https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81968
--- Comment #30 from rguenther at suse dot de <rguenther at suse dot de> --- On Thu, 9 Nov 2017, ebotcazou at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81968 > > --- Comment #29 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > > It does by removing the SHT_NULL sections. The patch should work - you > > can double-check - it just doesn't handle the "corner case" of more > > than 32000 input sections correctly when rewriting the symbol table. > > There is one nit with -g3 on x86-64/Linux: > > FAIL: gcc.dg/debug/pr41893-1.c -gdwarf-2 -g3 (test for excess errors) > FAIL: gcc.dg/debug/pr41893-1.c -gdwarf-2 -g3 -O (test for excess errors) > FAIL: gcc.dg/debug/pr41893-1.c -gdwarf-2 -g3 -O3 (test for excess errors) > > /home/eric/install/gcc/x86_64-suse-linux/bin/ld: /tmp/ccyqoYHFdebugobjtem: no > group info for section .debug_macro > /home/eric/install/gcc/x86_64-suse-linux/bin/ld: /tmp/ccyqoYHFdebugobjtem: no > group info for section .debug_macro > /home/eric/install/gcc/x86_64-suse-linux/bin/ld: /tmp/ccyqoYHFdebugobjtem: no > group info for section .debug_macro > /home/eric/install/gcc/x86_64-suse-linux/bin/ld: /tmp/ccyqoYHFdebugobjtem: no > group info for section .debug_macro > /home/eric/install/gcc/x86_64-suse-linux/bin/ld: /tmp/ccyqoYHFdebugobjtem: no > group info for section .debug_macro > /home/eric/install/gcc/x86_64-suse-linux/bin/ld: /tmp/ccyqoYHFdebugobjtem: no > group info for section .debug_macro > /tmp/ccyqoYHFdebugobjtem: file not recognized: Bad value > collect2: error: ld returned 1 exit status > lto-wrapper: fatal error: gcc/xgcc returned 1 exit status > compilation terminated. > /home/eric/install/gcc/x86_64-suse-linux/bin/ld: error: lto-wrapper failed Not sure what this is about. Ah, I guess I need to remap GROUP section indices as well (the GROUP SH_TYPE data).
