[Bug lto/86654] [9 Regression] ICE in gen_member_die, at dwarf2out.c:24933

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86654

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
OK, so patch at least regresses

FAIL: g++.dg/debug/dwarf2/lambda1.C  -std=gnu++11  scan-assembler-times
DW_TAG_variable[^.]*.ascii "this.0" 2
FAIL: g++.dg/debug/dwarf2/lambda1.C  -std=gnu++14  scan-assembler-times
DW_TAG_variable[^.]*.ascii "this.0" 2

but otherwise passes LTO bootstrap.  Have to investigate the above tomorrow.