[Bug 218164] lang/gcc5: Bootstrap comparison failure

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218164

Gerald Pfeifer <gerald at FreeBSD.org> changed:

           What    |Removed                     |Added
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           Assignee|gerald at FreeBSD.org          |freebsd-toolchain at FreeBSD.o
                   |                            |rg
              Flags|maintainer-feedback?(gerald |
                   |@FreeBSD.org)               |

--- Comment #3 from Gerald Pfeifer <gerald at FreeBSD.org> ---
(In reply to Michał "phoe" Herda from comment #2)
> I can build both gcc5 and gcc48 as long as I do not select bootstrapping 
> in config.

If anything, it's actually supposed to be the other way around,
boostrapping should be the safer option.

The error you see is GCC compiling itself repeatedly does not lead
to a consistent result as it should.

Clearly this does not happen for other SPARC targets of GCC, and I'm
afraid I won't be able to help with this.

(Luckily there is at least a workaround of disabling bootstrap, which
is the default for lang/gcc.)

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