message: [vm] fix gas metering of Bytecode::LdFalse
  Closes:
  Approved by: tzakian
diff: @@ -371,7 +371,7 @@ impl<'txn> Interpreter<'txn> {
  self.operand_stack.push(Value::bool(true))?;
  }
  Bytecode::LdFalse => {
  - gas!(const_instr: context, self, Opcodes::LD_TRUE)?;
  + gas!(const_instr: context, self, Opcodes::LD_FALSE)?;
  self.operand_stack.push(Value::bool(false))?;
  }
  Bytecode::CopyLoc(idx) => {
  