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Re: alias of hidden function

From: Dave Korn <dave dot korn dot cygwin at googlemail dot com>
To: Dave Korn <dave dot korn dot cygwin at googlemail dot com>
Cc: Jack Howarth <howarth at bromo dot med dot uc dot edu>, gcc at gcc dot gnu dot org, binutils at sourceware dot org, mikestump at comcast dot net
Date: Mon, 10 May 2010 17:20:22 +0100
Subject: Re: alias of hidden function
References: <20100510133002.GA14989@bromo.med.uc.edu> <4BE82386.5040203@gmail.com> <20100510151914.GA16110@bromo.med.uc.edu> <4BE8314D.6000709@gmail.com>

On 10/05/2010 17:16, Dave Korn wrote:
> On 10/05/2010 16:19, Jack Howarth wrote:
> 
>> Compiler executable checksum: c54eb6db87684e4d5a5bb9ad02c2b2c4
>> 20081222_1.c:16: error: 'EXT_x' aliased to undefined symbol 'INT_x'

>   The error comes from finish_aliases_1 in varasm.c, where it is suppressed in
> the case of a weakref.  I don't know why.

  Well, I can infer that it would be because it's legitimate not to define a
weak symbol.  I guess the problem might be that find_decl_and_mark_needed when
called on EXT_x gets confused by the combination of an asm decl as well as an
alias maybe?

    cheers,
      DaveK

Follow-Ups:
- Re: alias of hidden function
  - From: Jack Howarth

References:
- alias of hidden function
  - From: Jack Howarth
- Re: alias of hidden function
  - From: Dave Korn
- Re: alias of hidden function
  - From: Jack Howarth
- Re: alias of hidden function
  - From: Dave Korn

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