• d-bugmail puremagic.com (36/36) Aug 26 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4738
• d-bugmail puremagic.com (9/9) Aug 26 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4738
• d-bugmail puremagic.com (12/12) Aug 31 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4738
• d-bugmail puremagic.com (10/10) Sep 22 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4738
• d-bugmail puremagic.com (7/7) Sep 22 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4738

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=4738

           Summary: ICE using null array in static/constraint if
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: ice-on-valid-code
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: rsinfu gmail.com
        Depends on: 1982



---
Since dmd r629: ICE(expression.c, 816) occurs when null array is used in
static-if or template constraint.

Repro.
-------------------- test.d
static if (string.init.length > 0)  // null array
{
}
--------------------
% dmd -c -o- test
Assertion failed: (precedence[e->op] != PREC_zero), function expToCBuffer, file
expression.c, line 816.
--------------------

It was a rejects-valid bug 1982 before r629.
--------------------
% dmd-r628 -c -o- test
test.d(1): Error: expression (null.length) > 0u is not constant or does not
evaluate to a bool
--------------------

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d-bugmail puremagic.com writes:

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---
The phobos' std.conv hits this issue.

% dmd -c -unittest std/conv.d
Assertion failed: (precedence[e->op] != PREC_zero), function expToCBuffer, file
expression.c, line 816.

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d-bugmail puremagic.com writes:

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Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |clugdbug yahoo.com.au
         Resolution|                            |FIXED



Fixed svn 651.

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d-bugmail puremagic.com writes:

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Koroskin Denis <2korden gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |2korden gmail.com



---
Got this issue today. Should I reopen the bug or submit a new ticket?

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d-bugmail puremagic.com writes:

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---
Original test case has been fixed so I'll create a new report. Sorry for the
buzz.

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