I just realized that when I moved the langhook call I failed to move the initial debug_hooks setting whose comment mentions the langhook as reason.
Bootstrap & regtest in progress on x86_64-unknown-linux-gnu. 2021-10-21 Richard Biener <rguent...@suse.de> * toplev.c (process_options): Move the initial debug_hooks setting ... (toplev::main): ... before the call of the post_options langhook. --- gcc/toplev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/gcc/toplev.c b/gcc/toplev.c index cb4f8c470f0..67fb71612d5 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1227,9 +1227,6 @@ static void process_options (bool no_backend) { const char *language_string = lang_hooks.name; - /* Just in case lang_hooks.post_options ends up calling a debug_hook. - This can happen with incorrect pre-processed input. */ - debug_hooks = &do_nothing_debug_hooks; maximum_field_alignment = initial_max_fld_align * BITS_PER_UNIT; @@ -2338,6 +2335,9 @@ toplev::main (int argc, char **argv) /* Exit early if we can (e.g. -help). */ if (!exit_after_options) { + /* Just in case lang_hooks.post_options ends up calling a debug_hook. + This can happen with incorrect pre-processed input. */ + debug_hooks = &do_nothing_debug_hooks; /* Allow the front end to perform consistency checks and do further initialization based on the command line options. This hook also sets the original filename if appropriate (e.g. foo.i -> foo.c) -- 2.31.1