[Bug preprocessor/69177] [6 Regression] Bit-packing optimization makes it too easy to have location_t >= LINE_MAP_MAX_LOCATION_WITH_COLS

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69177

--- Comment #6 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
FWIW, we're hitting the current limit ourselves (with gimple-match.c) when we
didn't before, and I've seen two reports from other codebases that are reaching
the current limit: PR 68819 (unknown C++ codebase), and PR 69237 (Chromium).