IR_Print(outstream,ListBuffer[IR_Expression](IR_StringConstant("[Test] comparison failed at "),_i,IR_StringConstant(" "),_j,IR_StringConstant("\\n"),IR_HighDimAccess(left,IR_ExpressionIndex(_i,_j)),IR_StringConstant(" vs "),IR_HighDimAccess(right,IR_ExpressionIndex(_i,_j)),IR_StringConstant("\\n"))),