// (21,30): error CS8521: Cannot use a result of 'Program.Test2(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (21,30): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (21,24): error CS8521: Cannot use a result of 'Program.Test1(Program.S1)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (21,30): error CS8521: Cannot use a result of 'Program.Test2(in int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (21,30): error CS8521: Cannot use a result of 'Program.MayWrap(in int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (21,24): error CS8521: Cannot use a result of 'Program.Test1(Program.S1)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (17,21): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (15,21): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (18,21): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (14,21): error CS8521: Cannot use a result of 'Program.Test1(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (17,21): error CS8521: Cannot use a result of 'Program.Test1(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (20,21): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (19,20): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (24,20): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (27,38): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope
// (17,23): error CS8521: Cannot use a result of 'Program.MayWrap(ref int)' in this context because it may expose variables referenced by parameter 'arg' outside of their declaration scope