DWARF5 is not supported by gdb on hpux, so we need to to limit version to 4.
Tested on hppa64-hp-hpux11.11. Committed to trunk and gcc-11. Dave --- Default to dwarf version 4 on hppa64-hpux 2021-10-01 John David Anglin <dang...@gcc.gnu.org> gcc/ChangeLog: PR debug/102373 * config/pa/pa.c (pa_option_override): Default to dwarf version 4 on hppa64-hpux. diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c index 06143023b46..5b3ffd48f4e 100644 --- a/gcc/config/pa/pa.c +++ b/gcc/config/pa/pa.c @@ -541,6 +541,16 @@ pa_option_override (void) write_symbols = NO_DEBUG; } + if (TARGET_64BIT && TARGET_HPUX) + { + /* DWARF5 is not supported by gdb. Don't emit DWARF5 unless + specifically selected. */ + if (!global_options_set.x_dwarf_strict) + dwarf_strict = 1; + if (!global_options_set.x_dwarf_version) + dwarf_version = 4; + } + /* We only support the "big PIC" model now. And we always generate PIC code when in 64bit mode. */ if (flag_pic == 1 || TARGET_64BIT)