Examples of errors detected by the V3092 diagnostic

V3092. Range intersections are possible within conditional expressions.

Mono

V3092 Range intersections are possible within conditional expressions. Example: if (A > 0 && A < 5) { ... } else if (A > 3 && A < 9) { ... }. mcs-net_4_x codegen.cs 742

public void EmitLong (long l)
{
  if (l >= int.MinValue && l <= int.MaxValue) {
    EmitIntConstant (unchecked ((int) l));
    ig.Emit (OpCodes.Conv_I8);
  } else if (l >= 0 && l <= uint.MaxValue) {
    EmitIntConstant (unchecked ((int) l));
    ig.Emit (OpCodes.Conv_U8);
  } else {
    ig.Emit (OpCodes.Ldc_I8, l);
  }
}

Similar errors can be found in some other places:

• V3092 Range intersections are possible within conditional expressions. Example: if (A > 0 && A < 5) { ... } else if (A > 3 && A < 9) { ... }. I18N.CJK-net_4_x CP51932.cs 437
• V3092 Range intersections are possible within conditional expressions. Example: if (A > 0 && A < 5) { ... } else if (A > 3 && A < 9) { ... }. I18N.CJK-net_4_x CP932.cs 552
• V3092 Range intersections are possible within conditional expressions. Example: if (A > 0 && A < 5) { ... } else if (A > 3 && A < 9) { ... }. I18N.CJK-net_4_x ISO2022JP.cs 460

RunUO

V3092 Range intersections are possible within conditional expressions. Example: if (A > 0 && A < 5) { ... } else if (A > 3 && A < 9) { ... }. HouseFoundation.cs 1883

public static bool IsFixture( int itemID )
{
  ....
  else if( itemID >= 0x319C && itemID < 0x31B0 )
    return true;
  // ML doors
  else if( itemID == 0x2D46 ||
           itemID == 0x2D48 ||
           itemID == 0x2FE2 ||
           itemID == 0x2FE4 )
    return true;
  else if( itemID >= 0x2D63 && itemID < 0x2D70 )
    return true;
  else if( itemID >= 0x319C && itemID < 0x31AF )
    return true;
  ....
}