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Re: bogus test case expectations

On Tue, Jul 21, 2009 at 8:39 AM, Jan Beulich<> wrote:
>>>> "H.J. Lu" <> 21.07.09 17:33 >>>
>>On Tue, Jul 21, 2009 at 8:18 AM, Jan Beulich<> wrote:
>>>>>> "H.J. Lu" <> 21.07.09 16:38 >>>
>>>>On Tue, Jul 21, 2009 at 4:51 AM, Jan Beulich<> wrote:
>>>>> Finally I found time to debug why, after initially working with the
>>>>> snapshot_symbol() change I had done in late 2005, some local changes I
>>>>> had on top of this stopped working in newer binutils releases. I was about
>>>>> to propose below change (with the rationale that the comment "Never
>>>>> change a defined symbol.", while correct, didn't match the code, as the
>>>>> check was done against the perhaps already updated symbol, not the
>>>>> one that got passed in). This, however, causes one of the four ia64 test
>>>>> cases added together with that change to fail.
>>>>I have no objections to update comments.
>>> My goal is to make the code do what the comment says (which is what I'd
>>> also expect the code to do), not adjust the comment. But perhaps I mis-
>>> understand the intentions you had when making the change? If so, you'd
>>> be asked to provide a comment explaining those intentions...
>>My change was to fix
>>ltoff22x-2.[sd] is one testcase for PR 2117. As long as those
>>testcases pass without modifications, I have no problems.
> Again, I understand all that. What I don't understand is why the code change
> you did doesn't match the description associated with it. Instead of me
> repeating the issue I'm having with it, could you please re-read the initial
> part of my mail (still visible above)?
> Thanks, Jan

The code looks like

snapshot_symbol (symbolS **symbolPP, valueT *valueP, segT *segP, fragS **fragPP)
  symbolS *symbolP = *symbolPP;
      /* Resolve symbolP.  */

      /* Never change a defined symbol.  */
      if (symbolP->bsym->section == undefined_section
          || symbolP->bsym->section == expr_section)
        *symbolPP = symbolP;

We don't change *symbolPP to its resolved value if it is defined.


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