(gdb) p ib
$9 = {
  <NoCopy> = {<No data fields>}, 
  members of ImageBuffer: 
  kind = 0, 
  size = {
    <Moveable<Size_<int>,EmptyClass>> = {
      <> = {<No data fields>}, <No data fields>}, 
    members of Size_<int>: 
    cx = 3328, 
    cy = 3328
  }, 
  pixels = {
    <Moveable<Buffer<RGBA>,EmptyClass>> = {
      <> = {<No data fields>}, <No data fields>}, 
    members of Buffer<RGBA>: 
    ptr = 0x428a008
  }, 
  hotspot = {
    <Moveable<Point_<int>,EmptyClass>> = {
      <> = {<No data fields>}, <No data fields>}, 
    members of Point_<int>: 
    x = 256, 
    y = 256
  }, 
[snip]

(gdb) n
240                     s += 13;
(gdb) n
241                     int len = ib.GetLength();
(gdb) p len
$10 = 11075584

255             return img;
(gdb) p img
$3 = {
  <MoveableAndDeepCopyOption<Vector<Image>,EmptyClass>> = {
    <Moveable<Vector<Image>,DeepCopyOption<Vector<Image>, EmptyClass> >> = {
      <DeepCopyOption<Vector<Image>,EmptyClass>> = {
        <> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
  members of Vector<Image>: 
  vector = 0xbffff740, 
  items = -1, 
  alloc = 2315384
}

#1  0x002ffbd0 in UnpackImlData (d=@0xbffff78c) at ImageBlit.cpp:237
237                     ImageBuffer ib(Peek16le(s + 1), Peek16le(s + 3));

(gdb) x/16x s
0xffb014:       0x000d000d      0x00010001      0x00000000      0x00000000
0xffb024:       0x00000000      0x00000000      0x00b2b2be      0xff676789

(gdb) p parser
$28 = (CParser &) @0xbffe5a70: {
  term = 0x2161732 "IMAGE_SCAN(\"?\\377\\377\\377\\13????????????????????????????????\\377\\377\\377\")\nIMAGE_PACKED(ufxp, \"\\2\\20\\0\\0\\0\\20\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\")\nIMAGE_BEGIN(options)\n\tIMAGE_SCAN(\"?\\1vlV????\\1??m?\\2??s?"..., 

100                                     else if(id == "IMAGE_PACKED" && parser.IsChar('\"'))
(gdb) n
105                                                     StringStream ss(d);
(gdb) n
106                                                     ss % image;

(gdb) n
107                                                     if(!ss.IsError())
(gdb) n
108                                                             accepted = true;
(gdb) n
109                                             }
(gdb) n
112                             if(name.GetLength() >= 6 && !memcmp(name, "_java_", 6))
(gdb) p name
[snip]
    ptr = 0x1b89654 "ufxp"
(gdb) n
115                             if(accepted)
(gdb) n
117                                     if(name.GetLength() >= 4 && !memcmp(name, "im__", 4))
(gdb) n
120                                     Image m = RLEToAlpha(encoded_data, image.size);
(gdb) p encoded_data
$34 = {
  <AString<char,String>> = {
    <Moveable<String,EmptyClass>> = {
      <> = {<No data fields>}, <No data fields>}, 
    members of AString<char,String>: 
    ptr = 0x20c9414 "????\001?????????????????????\004????????????????\002??????????????\004???[[[?????????\003ooo??????????????\n???\036\036\036\033\033\033??????ooo\f\f\f\016\016\016???????????????\n999\001\001\001"
  }, <No data fields>}
(gdb) p image.size
$35 = {
  <Moveable<Size_<int>,EmptyClass>> = {
    <> = {<No data fields>}, <No data fields>}, 
  members of Size_<int>: 
  cx = 268435456, 
  cy = 268435456
}

(gdb) x/16bx encoded_data.ptr
0x20c9414:      0x83    0xff    0xff    0xff    0x01    0xfd    0xfd    0xfd
0x20c941c:      0x82    0xfc    0xfc    0xfc    0x83    0xff    0xff    0xff

Breakpoint 3, RLEToAlpha (rle=@0xbffe5898, sz=@0xbffe5850) at ImlFile.cpp:32
32              ImageBuffer ib(sz);
(gdb) p sz
$39 = (Size &) @0xbffe5850: {
  <Moveable<Size_<int>,EmptyClass>> = {
    <> = {<No data fields>}, <No data fields>}, 
  members of Size_<int>: 
  cx = 268435456, 
  cy = 268435456

ImlFile.cpp:112

            if (image.size.cx > 1000) {
              image.size.cx = 16;
              image.size.cy = 16;
            }

Core/Core.h:

        #ifdef __BIG_ENDIAN__
                #define flagPPC
                #undef flagX86
        #endif

        #ifdef __LITTLE_ENDIAN__
                #undef flagPPC
                #define flagX86
        #endif

#ifdef flagOSX11
        #define PLATFORM_OSX11
        #define PLATFORM_POSIX
        #ifdef flagGUI
                #define PLATFORM_X11
        #endif

        #ifdef flagTESTLEAKS
                #define TESTLEAKS
        #endif

        // defines set by OsX for us.                                           
        #ifdef __POWERPC__
                #define flagPOWERPC
        #endif

        #ifdef __i386__
                #define flagX86
        #endif

#endif

Assertion failed in /Users/lundman/src/upp/uppsrc/Core/Stream.cpp, line 1362
!backup.IsError()

(gdb) bt
#0  0x9004796c in kill ()
#1  0x9012dc14 in abort ()
#2  0x00237abc in Upp::AssertFailed (file=0x3a68d0 "/Users/lundman/src/upp/uppsrc/Core/Stream.cpp", line=1362, cond=0x3a6c14 "!backup.IsError()") at Util.cpp:83
#3  0x002495fc in Upp::Load (serialize=@0xbffe6cb8, stream=@0xbffe6cc0) at Stream.cpp:1362
#4  0x0026ae5c in Upp::LoadFromFile (serialize=@0xbffe6d70, file=0x0) at Stream.cpp:1390
#5  0x00456624 in Upp::LoadFromFile<Ide> (x=@0xbffe6ee8, name=0x0) at Util.h:339
#6  0x00086bf0 in GuiMainFn_ () at idewin.cpp:805
#7  0x0008749c in main (argc=1, argv=0xbffffaec, envptr=0xbffffaf4) at idewin.cpp:571