[Mono-bugs] [Bug 75721][Nor] Changed - CS0165: incorrect flow branching on member access to an unassigned class instance

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Mon Aug 22 15:42:21 EDT 2005


Please do not reply to this email- if you want to comment on the bug, go to the
URL shown below and enter your comments there.

Changed by atsushi at ximian.com.

http://bugzilla.ximian.com/show_bug.cgi?id=75721

--- shadow/75721	2005-08-05 00:50:40.000000000 -0400
+++ shadow/75721.tmp.18601	2005-08-22 15:42:20.000000000 -0400
@@ -1,23 +1,23 @@
 Bug#: 75721
 Product: Mono: Compilers
 Version: 1.0
-OS: 
+OS: unknown
 OS Details: 
 Status: NEW   
 Resolution: 
-Severity: 
+Severity: Unknown
 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: CS0165 is not reported. Breaks Mono build on Windows.
+Summary: CS0165: incorrect flow branching on member access to an unassigned class instance
 
 To reproduce this issue, compile the following code snippet:
 
 using System.Collections;
 
 public class EntryPoint {
@@ -67,6 +67,36 @@
 expression.cs(3375,10): error CS0165: Use of unassigned local 
 variable 'fb'
 expression.cs(3406,10): error CS0165: Use of unassigned local 
 variable 'fb'
 make[1]: *** [mbas.exe] Error 1
 make[1]: Leaving directory `/cygdrive/d/projects/mono/head/mcs/mbas'
+
+------- Additional Comments From atsushi at ximian.com  2005-08-22 15:42 -------
+similar case:
+
+----
+using System.Collections;
+
+public class EntryPoint {
+  public static void Main() {
+    ArrayList fields = new ArrayList();
+
+    Field fb;
+    while (fields.Count > 0) {
+      fb = (Field) fields[0];
+    }
+
+    if (fb.Name != "b") {
+      System.Console.WriteLine ("shouldn't compile here.");
+    }
+  }
+
+  public class Field
+  {
+    public string Name;
+  }
+}
+
+There are many possibilities to change code condition.
+
+Note that mcs/errors/cs0165*.cs are correctly rejected.


More information about the mono-bugs mailing list