http://d.puremagic.com/issues/show_bug.cgi?id=6699

           Summary: More cases of __error in error messages
           Product: D
           Version: D1 & D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: clugdbug@yahoo.com.au


--- Comment #0 from Don <clugdbug@yahoo.com.au> 2011-09-20 05:07:38 PDT ---
From the test suite fail_compilation:

fail8, fail72, fail123 have bad error messages with __error.
fail10 has duplicated error msg
fail14 has an error with no line number

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--- Comment #1 from Don <clugdbug@yahoo.com.au> 2011-09-21 04:00:25 PDT ---
From the test suite, fail228.d

int ToTypeString (T:int) ()
{
    return 1;
}

int ToTypeString (T:string) ()
{
    return 2;
}

static assert(ToTypeString!(localVariable)());
-------------------
fail228.d(12): Error: undefined identifier localVariable
fail228.d(12): Error: template fail228.ToTypeString(T : int) does not match any
function template declaration
fail228.d(12): Error: template fail228.ToTypeString(T : int) cannot deduce
templ
ate function from argument types !(_error_)()
fail228.d(12): Error: template instance ToTypeString!(_error_) errors
instantiat
ing template

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Don <clugdbug@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |diagnostic


--- Comment #2 from Don <clugdbug@yahoo.com.au> 2012-02-08 13:42:36 PST ---
I created new bugs (bug 7465 and bug 7466) for the fail10 and fail14 cases.

Apart from the bug in comment1, which I will call case A, the other known instances of _error are:


// CASE B: from bug 6475 (and many other places)
alias int b6699;
alias b6699.x b6699a;
crash.d(2): Error: no property 'x' for type 'int'
crash.d(2): Error: alias crash.b6699a cannot alias an expression __error

// CASE C: from fail72
void bug6699()
{
    synchronized( foo )    {  }
}
crash.d(3): Error: undefined identifier foo
crash.d(3): Error: can only synchronize on class objects, not '_error_'

// CASE D: from fail8 and fail123.
struct Foo6699 { int x; }
enum Bar6699 : Foo6699 { a, b }
crash.d(3): Error: cannot implicitly convert expression (0) of type int to
Foo66
99
Error: no property 'max' for type 'Foo6699'
crash.d(3): Error: Integer constant expression expected instead of (__error) ==
(__error)

See also bug 7462, bug 5302, and bug 6796, which also have _error.

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Don <clugdbug@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|nobody@puremagic.com        |clugdbug@yahoo.com.au


--- Comment #3 from Don <clugdbug@yahoo.com.au> 2012-02-09 14:05:09 PST ---
I have moved case D into a new bug 7477, since it involves more thought (it isn't a simple error message issue).

I also add case E, which contains 3 more __error bugs:

class X : junk, junk2 {}
interface X2 : junk3 {}

crash.d(1): Error: undefined identifier junk
crash.d(1): Error: undefined identifier junk2
crash.d(1): Error: class crash.X base type must be class or interface, not
_error_
crash.d(1): Error: class crash.X base type must be interface, not _error_
crash.d(2): Error: undefined identifier junk3
crash.d(2): Error: interface crash.X2 base type must be interface, not _error_

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bugzilla@digitalmars.com


--- Comment #4 from Walter Bright <bugzilla@digitalmars.com> 2012-02-17 23:06:22 PST ---
https://github.com/D-Programming-Language/dmd/pull/704

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--- Comment #5 from github-bugzilla@puremagic.com 2012-02-17 23:06:55 PST ---
Commit pushed to dmd-1.x at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/f81214cbdda5fe8080418e4ffed80a90f3c076fd fix issue 6699, fix issue 7462

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


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