PR bootstrap/41405
* dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
add_call_src_coords_attributes, add_high_low_attributes,
gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
when -gdwarf-2 -gstrict-dwarf.
(loc_list_from_tree): Likewise. Avoid using DWARF4 additions when
-gdwarf-[23] -gstrict-dwarf.
(address_of_int_loc_descriptor, loc_descriptor,
loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
* common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
* gfortran.dg/debug/pr37738.f: Add -gno-strict-dwarf to dg-options.
* gfortran.dg/debug/pr35154-dwarf2.f: Likewise.
* g++.dg/debug/dwarf2/explicit-constructor.C: Likewise.
* g++.dg/debug/dwarf2/imported-module-2.C: Likewise.
* g++.dg/debug/dwarf2/imported-module-3.C: Likewise.
* g++.dg/debug/dwarf2/imported-module-4.C: Likewise.
* g++.dg/debug/dwarf2/namespace-1.C: Likewise.
* objc.dg/dwarf-2.m: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151978
138bc75d-0d04-0410-961f-
82ee72b054a4