[Mono-bugs] [Bug 75557][Nor] New - CS0252/CS0253 are not reported
when performing reference comparison
bugzilla-daemon at bugzilla.ximian.com
bugzilla-daemon at bugzilla.ximian.com
Fri Jul 15 10:45:34 EDT 2005
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Changed by gert.driesen at pandora.be.
http://bugzilla.ximian.com/show_bug.cgi?id=75557
--- shadow/75557 2005-07-15 10:45:34.000000000 -0400
+++ shadow/75557.tmp.30361 2005-07-15 10:45:34.000000000 -0400
@@ -0,0 +1,43 @@
+Bug#: 75557
+Product: Mono: Compilers
+Version: 1.0
+OS: All
+OS Details:
+Status: NEW
+Resolution:
+Severity:
+Priority: Normal
+Component: C#
+AssignedTo: mono-bugs at ximian.com
+ReportedBy: gert.driesen at pandora.be
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL:
+Cc:
+Summary: CS0252/CS0253 are not reported when performing reference comparison
+
+Mcs currently does not report CS0252/CS0253 when comparing a string with
+an object.
+
+To reproduce this issue, compile the following code snippet:
+
+using System;
+
+class X {
+ static void Main() {
+ object a = "11";
+ Console.WriteLine("11" == a);
+ Console.WriteLine(a == "11");
+ }
+}
+
+Expected result:
+
+test.cs(6,21): warning CS0253: Possible unintended reference comparison;
+to get a value comparison, cast the right hand side to type 'string'
+test.cs(7,21): warning CS0252: Possible unintended reference comparison;
+to get a value comparison, cast the left hand side to type 'string'
+
+Actual result:
+
+No warnings.
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