pub fn linetable_to_locations(
linetable: &[u8],
first_line: i32,
num_instructions: usize,
) -> Box<[(SourceLocation, SourceLocation)]>pub fn linetable_to_locations(
linetable: &[u8],
first_line: i32,
num_instructions: usize,
) -> Box<[(SourceLocation, SourceLocation)]>