* common.opt (flag_debug_types_section): Default to 0.
(dwarf_version): Default to 4.
(dwarf_record_gcc_switches): Default to 1.
(dwarf_strict): Default to 0.
* toplev.c (process_options): Don't handle dwarf_strict
or dwarf_version here.
* config/vxworks.c (vxworks_override_options): Don't
test whether dwarf_strict or dwarf_version are negative,
instead test !global_options_set.x_dwarf_*.
* config/darwin.c (darwin_override_options): Default to
dwarf_version 2.
* doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
and -fno-debug-types-section are now the default.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186835
138bc75d-0d04-0410-961f-
82ee72b054a4