[Mono-bugs] [Bug 359731] [LINQ] Evil LINQ test case

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https://bugzilla.novell.com/show_bug.cgi?id=359731

User Yury at serdyuk.botik.ru added comment
https://bugzilla.novell.com/show_bug.cgi?id=359731#c3


Yury Serdyuk <Yury at serdyuk.botik.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
                 CC|                            |Yury at serdyuk.botik.ru
         Resolution|FIXED                       |




--- Comment #3 from Yury Serdyuk <Yury at serdyuk.botik.ru>  2009-01-31 04:39:16 MST ---
A slight modification of original LINQ-query (see the attached code) leads to
the parser error (in contrast with the right output of Micosoft csc-compiler).

Namely,

1) mono-2.0

$ mono -V
Mono JIT compiler version 2.0 (tarball)
Copyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com
        TLS:           __thread
        GC:            Included Boehm (with typed GC)
        SIGSEGV:       altstack
        Notifications: epoll
        Architecture:  x86
        Disabled:      none

$ gmcs -v LINQ_Mono_Test.cs
LINQ_Mono_Test.cs(95,27): error CS1002: Expecting `;'
System.InvalidCastException: Cannot cast from source type to destination type.
  at Mono.CSharp.CSharpParser.yyparse (yyInput yyLex) [0x00000]
  at Mono.CSharp.CSharpParser.parse () [0x00000]
Compilation failed: 1 error(s), 0 warnings

2) mono-2.2

$ mono -V
Mono JIT compiler version 2.2 (tarball Sat Jan 31 12:24:40 MSK 2009)
Copyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com
        TLS:           __thread
        GC:            Included Boehm (with typed GC)
        SIGSEGV:       altstack
        Notifications: epoll
        Architecture:  x86
        Disabled:      none

$ gmcs -v LINQ_Mono_Test.cs
LINQ_Mono_Test.cs(95,29): error CS1525: Unexpected symbol `let'
System.InvalidCastException: Cannot cast from source type to destination type.
  at Mono.CSharp.CSharpParser.yyparse (yyInput yyLex) [0x00000]
  at Mono.CSharp.CSharpParser.parse () [0x00000]
LINQ_Mono_Test.cs(114,9): error CS8032: Internal compiler error during parsing,
Run with -v for details
Compilation failed: 2 error(s), 0 warnings

3) mono-2.4 RC1

$ mono -V
Mono JIT compiler version 2.4 (tarball Sat Jan 31 12:39:10 MSK 2009)
Copyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com
        TLS:           __thread
        GC:            Included Boehm (with typed GC)
        SIGSEGV:       altstack
        Notifications: epoll
        Architecture:  x86
        Disabled:      none

$ gmcs -v LINQ_Mono_Test.cs
LINQ_Mono_Test.cs(95,29): error CS1525: Unexpected symbol `let'
LINQ_Mono_Test.cs(162,34): error CS0136: A local variable named `pos' cannot be
declared in this scope because it would give a different meaning to `pos',
which is already used in a `parent or current' scope to denote something else
LINQ_Mono_Test.cs(165,39): error CS0136: A local variable named `pos' cannot be
declared in this scope because it would give a different meaning to `pos',
which is already used in a `parent or current' scope to denote something else
LINQ_Mono_Test.cs(166,34): error CS0136: A local variable named `pos' cannot be
declared in this scope because it would give a different meaning to `pos',
which is already used in a `parent or current' scope to denote something else
LINQ_Mono_Test.cs(176,38): error CS0136: A local variable named `pos' cannot be
declared in this scope because it would give a different meaning to `pos',
which is already used in a `parent or current' scope to denote something else
LINQ_Mono_Test.cs(177,39): error CS0136: A local variable named `pos' cannot be
declared in this scope because it would give a different meaning to `pos',
which is already used in a `parent or current' scope to denote something else
LINQ_Mono_Test.cs(178,35): error CS0136: A local variable named `pos' cannot be
declared in this scope because it would give a different meaning to `pos',
which is already used in a `parent or current' scope to denote something else
System.InvalidCastException: Cannot cast from source type to destination type.
  at Mono.CSharp.CSharpParser.yyparse (yyInput yyLex) [0x00000]
  at Mono.CSharp.CSharpParser.parse () [0x00000]
LINQ_Mono_Test.cs(189,76): error CS8032: Internal compiler error during
parsing, Run with -v for details
Compilation failed: 8 error(s), 0 warnings

4) Microsoft csc

>csc LINQ_Mono_Test.cs
Microsoft (R) Visual C# 2008 Compiler version 3.5.21022.8
for Microsoft (R) .NET Framework version 3.5
Copyright (C) Microsoft Corporation. All rights reserved.

LINQ_Mono_Test.cs(62,45): error CS0103: The name 'traceRayArgs' does not exist
        in the current context
LINQ_Mono_Test.cs(63,54): error CS0103: The name 'traceRayArgs' does not exist
        in the current context
LINQ_Mono_Test.cs(71,45): error CS0103: The name 'traceRayArgs' does not exist
        in the current context
LINQ_Mono_Test.cs(76,66): error CS0103: The name 'traceRayArgs' does not exist
        in the current context
LINQ_Mono_Test.cs(95,46): error CS0103: The name 'traceRayArgs' does not exist
        in the current context
LINQ_Mono_Test.cs(98,61): error CS0103: The name 'f' does not exist in the
        current context
LINQ_Mono_Test.cs(103,80): error CS0103: The name 'traceRayArgs' does not exist
        in the current context
LINQ_Mono_Test.cs(104,80): error CS0103: The name 'traceRayArgs' does not exist
        in the current context

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