[patch] for PR32209 (bootstrap miscompare with disable-checking)

[Andreas Tobler]

Zdenek Dvorak wrote:
> Hello,
> 
>>> this miscompare is caused by the fact that checking is enabled in stage1
>>> even with --disable-checking, and that verify_dominators affects the
>>> dominance tree (not the dominator relationship itself, but the order
>>> of the branches of the tree), which in turn may lead to different
>>> optimization decisions.
>>>
>>> This patch makes verify_dominators work without changing the dominance
>>> tree.
>>>
>>> Bootstrapped & regtested on i686.  Bootstrapped (c only) with checking
>>> disabled on i686.
>> Just out of curiosity, who has to approve this patch? As mentioned in 
>> the PR the patch solves the miscompare.
> 
> as usual, any maintainer whose privileges cover dominance.c.

Fine, sorry to be uninformed, who are the persons to ping?

Thanks,
Andreas