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[Bug ld/14272] gold links, but bfd fails with: hidden symbol `.LTHUNK116

From: amodra at gmail dot com
Subject: [Bug ld/14272] gold links, but bfd fails with: hidden symbol `.LTHUNK116.32732' isn't defined
Date: Fri, 02 Nov 2012 01:32:26 +0000


--- Comment #16 from Alan Modra <amodra at gmail dot com> 2012-11-02 01:32:26 
UTC ---
HJ, your response just described your patch.  I can see what your patch does.

Please respond to this concern:
> If we hide this error in ld like gold appears to do, then we run the risk of
> not reporting a problem that will cause runtime errors if lto should ever emit
> similar code that *is* used.

Please also explain why you think it a linker bug to complain about a reference
from a real object section that isn't being discarded to an IR symbol in the
general case, not this specific case where we happen to know (but ld itself
doesn't know) that the reference isn't used.

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