+2009-06-11 Richard Henderson <rth@redhat.com>
+
+ * common.opt (gdwarf-): Accept a version number.
+ * doc/invoke.texi (gdwarf-): Update docs.
+ * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
+ * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
+ version level, and record it.
+
+ * dwarf2.h (DW_CIE_VERSION): Remove.
+ * dwarf2out.c (DWARF_VERSION): Remove.
+ (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
+ (output_call_frame_info): Use CIE version 3 for dwarf3,
+ or if the return register column is out of range for version 1.
+ (dwarf_stack_op_name): Add all dwarf3 values.
+ (DEBUG_PUBTYPES_SECTION): New.
+ (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
+ encoding change for dwarf3.
+ (output_die) [dw_val_class_die_ref]: Likewise.
+ (output_compilation_unit_header): Emit correct version for dwarf3.
+ (output_line_info): Likewise.
+ (output_pubnames): Update for DWARF_VERSION removal.
+ (output_aranges): Likewise.
+ (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
+ (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
+ (dwarf2out_finish): Likewise.
+
2009-06-11 David Daney <ddaney@caviumnetworks.com>
* system.h (gcc_assert, gcc_unreachable): Revert accidental commit