https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441
--- Comment #11 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 13 May 2019, iains at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90441 > > --- Comment #10 from Iain Sandoe <iains at gcc dot gnu.org> --- > (In reply to Iain Sandoe from comment #9) > > this is on the rev *before* the change, using llvm-dwarfdump from the llvm-7 > > branch: > > > > iains@gcc122:~/gcc-trunk/A$ ../../llvm-710-build/bin/llvm-dwarfdump --verify > > firmware.elf > > Verifying firmware.elf: file format ELF64-x86-64 > > Verifying .debug_abbrev... > > Verifying .debug_info Unit Header Chain... > > Verifying .debug_info references... > > error: invalid DIE reference 0x00000000. Offset is in between DIEs: > > so probably a missing pointer? It looks like an unresolved relocation - those are to be resolved from $label + offset where $label is defined in one of the early debug units. Maybe we miss one early debug file in the link?
