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DRC_HEADER_MARK_BIT

wasmtime_environ

Constant DRC_HEADER_MARK_BIT 

Source 
pub const DRC_HEADER_MARK_BIT: u32 = _; // 1u32
Expand description

The bit within a VMDrcHeader‘s reserved bits that is the mark bit. Collectively, this bit in all the heap’s objects’ headers implements the precise-stack-roots set.