Tim Kientzle 502941ca5a More arcana about MPEs carrying class existentials ...

The first word in a class existential is the class pointer itself.
This pointer exposes spare bits differently depending
on the platform, which becomes apparent when you try to reflect
an Optional carrying such an MPE.

Add new test cases and some logic to zero out the first
word of spare bit information only on platforms with 8-byte pointers.

2024-10-16 16:06:37 -07:00

4.2 KiB

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