+2012-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * 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.
+