[Bug lto/88147] [9 Regression] ICE in linemap_line_start, at libcpp/line-map.c:781 starting from r265875

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88147

--- Comment #17 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Created attachment 45660
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45660&action=edit
Selftest coverage

The attached reproduces the problem via a minimal selftest, and is also fixed
by attachment 45653.