[Issue 18359] writeln and synchronized classes don't sync properly

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18359

--- Comment #1 from Robert Luger <weltensturm at gmail.com> ---
Tried it with --arch=x86_64/-m64, does not happen there. Only seems to affect
32 bit binaries.

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