Function rustc_mir_transform::simplify_try::get_arm_identity_info

fn get_arm_identity_info<'a, 'tcx>(
    stmts: &'a [Statement<'tcx>], 
    locals_count: usize, 
    debug_info: &'a [VarDebugInfo<'tcx>]
) -> Option<ArmIdentityInfo<'tcx>>