https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61577

--- Comment #159 from Peter Bisroev <peter.bisroev at groundlabs dot com> ---
(In reply to dave.anglin from comment #157)
> On 2020-02-11 12:27 p.m., peter.bisroev at groundlabs dot com wrote:
> > Just to confirm though, using gcc 4.7.4 that I have previously compiled with
> > aCC that adequately passed 'make check' tests, bootstrap gcc 4.7.4 with 
> > default
> > build flags for STAGE1. Observe PCREL21B errors and manually recompile 
> > affected
> > .c with "-save-temps -da". Is that correct?
> Right, we want to build stage1 with -O0.  You can rebuild 4.7.4 or any other
> gcc version
> that demonstrates the PCREL21B error.  Keep the build log so you can copy
> the compile
> options for the failing object.
> >
> > Do you want to apply any patches to 4.7.4 or compile original code as I have
> > done previously?
> No.  We need to figure out why 4.7.4 generates incorrect PCREL21B
> relocations.  Then,
> maybe we patch it.

Understood, thank you Dave. Will do that tonight.

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