Re: AW: m68k: Simple loop compiles into boundless recursion with -O2

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On Thu, 14 Jan 2021, Stefan Franke wrote:

> Sorry, but I can't reproduce that 'dropping' of other options. I played
> around here: https://franke.ms/cex/z/EnK1GY
> Could you please provide a reproduceable example?

It is easily reproducible on x86: https://godbolt.org/z/Mx1KMe

Kernel people hit this issue recently when attemping to use the attribute:
https://lore.kernel.org/lkml/alpine.LSU.2.21.2004151445520.11688@xxxxxxxxxxxxx/

Alexander



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