https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100530
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #4 from David Binderman <dcb314 at hotmail dot com> --- I see this also with the source code for ./gcc.target/i386/pr100936.c and flag -g: $ /home/dcb/gcc/results.20210611.asan.ubsan/bin/gcc -c -g ./gcc.target/i386/pr100936.c ./gcc.target/i386/pr100936.c:5:1: internal compiler error: in add_dwarf_attr, at dwarf2out.c:4493 5 | __seg_gs int var; | ^~~~~~~~ 0x88a057 add_dwarf_attr(die_struct*, dw_attr_struct*) ../../trunk.git/gcc/dwarf2out.c:4493