[Issue 22322] ImportC: struct with floating point members gives bizarre error.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22322

--- Comment #7 from Walter Bright <bugzilla at digitalmars.com> ---
The problem is in the buildXtoHash() function in clone.d. It adds .tupleof
properties, whereas C files don't have such properties.

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