PR c++/51910
	* tlink.c (demangled_hash_entry): Change mangled to a VEC.
	(demangle_new_symbols): Fill it.
	(scan_linker_output): Walk it.
	(start_tweaking): Split out from scan_linker_output.
	(maybe_tweak): Update sym->chosen.
	* Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o

From-SVN: r184127