void beginElse(NoImm imm)
{
popAndValidateResultType(controlStack.back().resultType);
popControlStack(true);
}
void end(NoImm)
{
popAndValidateResultType(controlStack.back().resultType);
popControlStack();
}
void else_(NoImm imm)
{
popAndValidateResultType("if result",controlStack.back().resultType);
popControlStack(true);
}