[Issue 23857] backend inliner takes too long on recursive function call

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23857

Walter Bright <bugzilla at digitalmars.com> changed:

           What    |Removed                     |Added
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                 CC|                            |bugzilla at digitalmars.com

--- Comment #4 from Walter Bright <bugzilla at digitalmars.com> ---
> It takes ~26 seconds on my PC (WSL2, DMD64 D Compiler v2.103.0).

Notice "30" in this line in backend/go.d:

        if (!(go.changes && go.mfoptim & MFloop && (clock() - starttime) < 30 *
CLOCKS_PER_SEC))

It's there to prevent infinite loop if the optimizer cannot find a stable
state.

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