[Mono-bugs] [Bug 77574][Nor] New - mcs fails to compile code which passes through csc.exe

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Changed by jaak at jkowalski.net.

http://bugzilla.ximian.com/show_bug.cgi?id=77574

--- shadow/77574	2006-02-16 09:14:01.000000000 -0500
+++ shadow/77574.tmp.6117	2006-02-16 09:14:01.000000000 -0500
@@ -0,0 +1,76 @@
+Bug#: 77574
+Product: Mono: Compilers
+Version: 1.1
+OS: 
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: C#
+AssignedTo: rharinath at novell.com                            
+ReportedBy: jaak at jkowalski.net               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: mcs fails to compile code which passes through csc.exe
+
+I'm trying to compile Sooda (http://www.sooda.org) using mcs. It fails,
+while csc.exe on Windows compiles it just fine.
+
+It fails with the following error:
+
+      [csc] Compiling 208 files to
+'/home/jaak/work/Sooda/build/mono-1.0-debug/bin/Sooda.dll'.
+      [csc]
+/home/jaak/work/Sooda/src/Sooda/QL/TypedWrappers/SoqlBooleanWrapperExpression.cs(76,32):
+warning CS0108:
+`Sooda.QL.TypedWrappers.SoqlBooleanWrapperExpression.implicit operator
+Sooda.QL.TypedWrappers.SoqlBooleanWrapperExpression(bool)' hides inherited
+member `Sooda.QL.SoqlBooleanExpression.mplicit'. Use the new keyword if
+hiding was intended
+      [csc]
+/home/jaak/work/Sooda/src/Sooda/QL/SoqlBooleanExpression.cs(61,32)::
+`Sooda.QL.SoqlBooleanExpression.implicit operator
+Sooda.QL.SoqlBooleanExpression(bool)', name of symbol related to previous
+warning
+      [csc]
+/home/jaak/work/Sooda/src/Sooda/QL/TypedWrappers/SoqlBooleanWrapperExpression.cs(76,32):
+error CS0115: `Sooda.QL.TypedWrappers.SoqlBooleanWrapperExpression.implicit
+operator Sooda.QL.TypedWrappers.SoqlBooleanWrapperExpression(bool)': no
+suitable method found to override
+      [csc] Compilation failed: 1 error(s), 1 warnings
+
+I've reduced the problem to the following source file:
+
+------------------
+using System;
+
+namespace BugReport {
+    public class A {
+        public static implicit operator A(bool v) {
+            throw new NotImplementedException();
+        }
+    }
+
+    public class B : A {
+        public static implicit operator B(bool v) {
+            throw new NotImplementedException();
+        }
+    }
+}
+------------------
+
+Compiling it with mcs gives the error:
+
+test.cs(11,32): warning CS0108: `BugReport.B.implicit operator
+BugReport.B(bool)' hides inherited member `BugReport.A.mplicit'. Use the
+new keyword if hiding was intended
+test.cs(5,32):: `BugReport.A.implicit operator BugReport.A(bool)', name of
+symbol related to previous warning
+test.cs(11,32): error CS0115: `BugReport.B.implicit operator
+BugReport.B(bool)': no suitable method found to override
+Compilation failed: 1 error(s), 1 warnings
+
+On csc.exe it compiles just fine.