• d-bugmail puremagic.com (57/57) Feb 08 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12115

d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12115

           Summary: Segfault in FormatSpec.fillUp
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: brian-schott cox.net



Steps to reproduce:

1) Check out DScanner from
https://github.com/Hackerpilot/Dscanner/tree/a5d7bf095607f4b8d9c36a453e96e28aafdc96fe

2) Check out UnicodeData.d from
https://github.com/SiegeLord/Tango-D2/blob/b4635847a67faff9480aeb2ff2bbbd23385f38df/tango/text/UnicodeData.d

3) Run the build.sh script in the DScanner folder to compile

4) run "./dscanner --syntaxCheck path/to/UnicodeData.d"

Stack trace:



std.format.__T10FormatSpecTaZ.FormatSpec.__T17writeUpToNextSpecTS3std5stdio4File17LockingTextWriterZ.writeUpToNextSpec()
(this=<error reading variable>, writer=...)
    at /home/alaran/src/phobos/std/format.d:796

std.format.__T14formattedWriteTS3std5stdio4File17LockingTextWriterTaTAyaTmTmTAyaTAyaZ.formattedWrite()
(_param_6=..., _param_5=..., _param_4=2, _param_3=14778, _param_2=..., fmt=...,
w=...)
    at /home/alaran/src/phobos/std/format.d:415

std.stdio.File.__T8writeflnTaTAyaTmTmTAyaTAyaZ.writefln() (this=0x2,
_param_5=..., 
    _param_4=..., _param_3=2, _param_2=14778, _param_1=..., fmt=...) at
/home/alaran/src/phobos/std/stdio.d:1101

std.stdio.__T8writeflnTAyaTAyaTmTmTAyaTAyaZ.writefln() (_param_5=...,
_param_4=..., 
    _param_3=5525528, _param_2=5525528, _param_1=..., _param_0=...) at
/home/alaran/src/phobos/std/stdio.d:2527

message=..., column=0, 
    line=140737488345552, fileName=...) at analysis/run.d:27

    this=0x5a9608 <std.stdio.File.LockingTextWriter.__postblit()+24>,
shouldAdvance=17, 
    message=0x000000000057884000007ffff7ecaf80) at stdx/d/parser.d:6320

(this=0x2adc6) at stdx/d/parser.d:6307

stdx/d/parser.d:1608

This seems to only be present when DScanner is built with DMD. Building with
GDC results in code that completes without segfaulting.

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