[PATCH] Demangle function names when disassembling

[Tom Tromey]

Tom> gdb/ChangeLog
Tom> 2020-07-23  Tom Tromey  <tromey@adacore.com>

Tom> 	PR symtab/26270:
Tom> 	* symtab.h (find_pc_partial_function_sym): Declare.
Tom> 	* cli/cli-cmds.c (disassemble_command): Use
Tom> 	find_pc_partial_function_sym.  Check asm_demangle.
Tom> 	* blockframe.c (cache_pc_function_sym): New global.
Tom> 	(cache_pc_function_name): Remove.
Tom> 	(clear_pc_function_cache): Update.
Tom> 	(find_pc_partial_function_sym): New function, from
Tom> 	find_pc_partial_function.
Tom> 	(find_pc_partial_function): Rewrite using
Tom> 	find_pc_partial_function_sym.

I'm checking this in now.

Tom