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Date: Tue, 28 Apr 2015 14:58:52 -0400
From: Rich Felker <>
Subject: Re: [PATCH] force LTO to be disabled when compiling dlstart.lo

On Tue, Apr 28, 2015 at 09:50:59PM +0300, Alexander Monakov wrote:
> > If the person on #gcc with ld -r was using gcc asm statements as well, that
> > would explain their problem too.
> Let me add that there's another class of problems with toplevel asms and LTO:
> as a result of LTO partitioning, toplevel asm may be moved into a different
> partition from the symbol it's referencing, breaking the build (when toplevel
> asm is referencing a static function).  GCC bug report for that issue is here:

I have an interesting solution to this problem: get rid of the
top-level asm and instead put it inside the function with 2 additional

- At the top, "jmp 9f" or equivalent.
- At the bottom, "9:".

Now the asm can't be separated from the function because it's part of
it. Would that work?


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