demangle.h (enum demangle_component_type): Add DEMANGLE_COMPONENT_DECLTYPE.
* include/demangle.h (enum demangle_component_type): Add
DEMANGLE_COMPONENT_DECLTYPE.
* libiberty/cp-demangle.c (d_dump): Handle DEMANGLE_COMPONENT_DECLTYPE.
(d_make_comp): Likewise.
(cplus_demangle_type): Handle decltype and DFP types.
(cplus_demangle_operators): Call operator takes 2 args.
(cplus_demangle_builtin_types): Add DFP types.
(d_exprlist): New fn.
(d_expression): Handle parm placeholders, T() and calls.
(d_print_comp): Handle decltype, T() and calls.
* libiberty/testsuite/demangle-expected: Test the above.
From-SVN: r140162