[PATCH] Fix PR42531: lto generates invalid assembler ".section" directives.

[Dave Korn]

Richard Guenther wrote:
> On Thu, Dec 31, 2009 at 6:15 PM, Dave Korn
>> H.J. Lu wrote:
>>
>>> The patch doesn't look right:

>>>    const char *name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (function));

>>> +  if (name[0] == '*')
>>> +    name++;
>>> +  section_name =
>>> +    lto_get_section_name (LTO_section_function_body, name);

>>> It doesn't handle name == NULL.

>> Is it possible that the assembler name could not be set at this point?

>> What happens if we call copy_function for two different functions that
>> both don't have any assembler name?

> They always have an assembler name.

  That was very much what I hoped :)  I'll put a gcc_assert in, just for neatness.

    cheers,
      DaveK