Compile rewrites WebAssembly bytecode from its disassembly.

OpDiscard discards a given number of elements from the execution stack.

OpDiscardPreserveTop discards a given number of elements from the execution stack, while preserving the value on the top of the stack.

OpJmp unconditionally jumps to the provided address.

OpJmpNz jumps to the given address if the value at the top of the stack is not zero.

OpJmpZ jumps to the given address if the value at the top of the stack is zero.

BranchTable is the structure pointed to by a rewritten br_table instruction.

Target is the "target" of a br_table instruction.