Jacob Young 0e3feebb04 codegen: fix taking the address of a zero-bit field in a zero-bit struct ...

Normally when we want a pointer to the end of a struct we just add 1 to
the struct pointer.  However, when it is a zero-bit struct, the pointer
type being used during lowering is often a dummy pointer type that
actually points to a non-zero-bit type, so we actually want to add 0
instead, since a zero-bit struct begins and ends at the same address.

2022-12-18 22:11:26 -05:00

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