gdb/ * breakpoint.c (remove_sal): New. (expand_line_sal_maybe): New. (create_breakpoints): Call expand_line_sal_maybe. (clear_command): Add comment. (breakpoint_re_set_one): Call expand_line_sal_maybe. * linespec.c (decode_indirect): Set explicit_pc to 1. (decode_all_digits): Set explicit_line to 1. (append_expanded_sal): New. (expand_line_sal): New. * linespec.h (expand_line_sal): Declare. * symtab.c (init_sal): Initialize explicit_pc and explicit_line. * symtab.h (struct symtab_and_line): New fields explicit_pc and explicit_line. gdb/testsuite/ * gdb.cp/mb-ctor.cc: New. * gdb.cp/mb-ctor.exp: New. * gdb.cp/mb-templates.cc: New. * gdb.cp/mb-templates.exp: New.