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digitalmars.D.bugs - [Issue 9364] New: [ICE] Error: CTFE internal error painting S*

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=9364

           Summary: [ICE] Error: CTFE internal error painting S*
           Product: D
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: critical
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: monarchdodra gmail.com



Not sure if actual "[ICE]" or not, but anyways, reduced test case:

//----
struct S
{
    int i;
}

S foo()
{
    S s; //main.d(8)
    auto p = &s;
    p.i = 5;
    return s;
}

void main()
{
    enum s = foo();
}


//----
main.d(8): Error: CTFE internal error painting S*
//----

Marking as critical because:
- internal
- no idea what the message means
- test case is too trivial to crash

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Jan 21 2013
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=9364


yebblies <yebblies gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |CTFE
                 CC|                            |yebblies gmail.com
            Version|unspecified                 |D2



For some reason &S gets turned into paint S -> S* which, unsurprisingly,
doesn't work.

int foo()
{
    static struct S
    {
        int i;
    }

    S s;
    (&s).i = 5;
    return 1;
}

static assert(foo());

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Jan 21 2013
prev sibling next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=9364




Yeah it's just an internal error you should never see, it's just a bit nicer
than most ICE bugs because it gives the line number.

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Jan 22 2013
prev sibling next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=9364




Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/ff49311c47f98366aa54a97b1f797eef7875d737
Fix bug 9364 [ICE] Error: CTFE internal error painting S*

SymOffExp(v) needs to create a CTFE pointer &v (instead of doing
an invalid type painting operation).

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Sep 12 2013
prev sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=9364


Walter Bright <bugzilla digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla digitalmars.com
         Resolution|                            |FIXED


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