The following tests failed: 

cs0051.cs: We don't complain about inconsistent accessibility.
cs0060.cs: We don't complain about inconsistent accessibility.
cs0108.cs: We should re-enable the test code in the compiler
cs0110.cs: Stack overflow in the compiler
cs0111.cs: We don't complain about second occurance of method definition.
cs0118.cs: We report the error, but the CSC error gives more information.
cs0136.cs: Similar error reported (reuse of variable name, 128)
cs0136-2.cs: Similar error reported (reuse of variable name, 128)
cs0164.cs: We dont emit the warning for an unused label
cs0165.cs: We need data flow analysis
cs0165-2.cs: We need data flow analysis
cs0171.cs: We do not track unassigned struct fields on struct constructors 
cs0216.cs: We do not report missing operators.
cs0234.cs: Will be hard to fix;
cs0255.cs: Error isn't flagged.
cs0523.cs: Error isn't flagged.
cs0529.cs: We get error CS0146 instead
cs0654.cs: Compiler crash
cs1001.cs: Compiler emits syntax error;  Its ok.
cs1513.cs: Syntax error;  We could provide better message
cs1518.cs: Syntax error;  We could provide better message
cs1525.cs: Syntax error;  We could provide better message
cs1528.cs: Syntax error;  We could provide better message
cs1529.cs: Syntax error;  We could provide better message
cs1552.cs: Syntax error;  We could provide better message
cs1604.cs: Error isn't flagged.
cs-20.cs: Attribute error isn't flagged