Fix and update D demangling support in gdb to the current mangling ABI.
gdb/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* d-lang.h (d_parse_symbol): Add declaration.
* d-lang.c (extract_identifiers)
(extract_type_info): Remove functions.
(parse_call_convention, parse_attributes)
(parse_function_types, parse_function_args)
(parse_type, parse_identifier, call_convention_p)
(d_parse_symbol): New functions.
(d_demangle): Use d_parse_symbol to demangle D symbols.
gdb/testsuite/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* gdb.dlang/demangle.exp: New file.
ec9f644ac9