[Bug ld/30724] Massive ld performance regression in binutils-2.41 since 014a602b86f08de96fc80ef3f96a87db6cccad56

[pinskia at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30724

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Achim from comment #1)
> AFter a few false starts since it seems one really needs to freshly
> configure and compile the whole thing each time this got bisected to:
> 
> https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;
> h=014a602b86f08de96fc80ef3f96a87db6cccad56
> 
> Why and how this produces the effect I've reported is a massive
> head-scratcher, but I've confirmed that with this patch reverted 2.41 does
> not only link as fast as 2.40 again, it is actually faster:
> 
> 2.41re:       10.494u   1.370s  0:17.01 69.7%       0+0k 0+0io 1904230pf+0w

That would be then a bug in cygwin stdio code I suspect ...

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