Module rustc_mir_transform::remove_zsts

source ·
Expand description

Removes assignments to ZST places.

Structs

RemoveZsts

Functions

involves_a_union 🔒
Miri lazily allocates memory for locals on assignment, so we must preserve writes to unions and union fields, or it will ICE on reads of those fields.
maybe_zst 🔒
A cheap, approximate check to avoid unnecessary layout_of calls.