[RFA] PR symtab/16264 - support DW_AT_main_subprogram

[Tom Tromey]

>>>>> "Tom" == Tom Tromey <tom@tromey.com> writes:

Ping:

Tom> 2016-11-14  Tom Tromey  <tom@tromey.com>
Tom> 	PR symtab/16264:
Tom> 	* dwarf2read.c (struct partial_die_info) <main_subprogram>: New
Tom> 	member.
Tom> 	(add_partial_symbol): Call set_objfile_main_name.
Tom> 	(read_partial_die): Handle DW_AT_main_subprogram.
Tom> 	<DW_AT_calling_convention>: don't call set_objfile_main_name, but
Tom> 	set main_subprogram flag.

Tom> 2016-11-14  Tom Tromey  <tom@tromey.com>
Tom> 	* gdb.dwarf2/main-subprogram.c: New file.
Tom> 	* gdb.dwarf2/main-subprogram.exp: New file.

thanks,
Tom