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[Bug ld/30724] massive ld performance regression


From: Stromeko at nexgo dot de
Subject: [Bug ld/30724] massive ld performance regression
Date: Sat, 05 Aug 2023 20:37:36 +0000

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

--- Comment #1 from Achim <Stromeko at nexgo dot de> ---
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

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