[PATCH] gdb: make gdbarch_printable_names return a vector

[Tom Tromey]

>>>>> "Simon" == Simon Marchi via Gdb-patches <gdb-patches@sourceware.org> writes:

Simon> I noticed that gdbarch_selftest::operator() leaked the value returned by
Simon> gdbarch_printable_names.  Make gdbarch_printable_names return an
Simon> std::vector and update callers.  That makes it easier for everyone
Simon> involved, less manual memory management.

Looks reasonable to me.

Tom