Function rustc_mir::util::pretty::write_allocation_newline

pub(in util::pretty) fn write_allocation_newline(
    w: &mut dyn Write, 
    line_start: Size, 
    ascii: &str, 
    pos_width: usize, 
    prefix: &str
) -> Result<Size, Error>

Prints the line start address and returns the new line start address.