after the last update, running any application will cause a crash, here
on linux x86 with cairo:
Program received signal SIGSEGV, Segmentation fault.
0xb57b3147 in pixman_image_composite32 () from /usr/lib/libpixman-1.so.0
(gdb) bt
#0 0xb57b3147 in pixman_image_composite32 () from /usr/lib/libpixman-1.so.0
#1 0xb5a6613e in ?? () from /usr/lib/libcairo.so.2
#2 0xb5a6703d in ?? () from /usr/lib/libcairo.so.2
#3 0xb5a87326 in ?? () from /usr/lib/libcairo.so.2
#4 0xb5a5bc24 in ?? () from /usr/lib/libcairo.so.2
#5 0xb5a520cc in cairo_paint () from /usr/lib/libcairo.so.2
#6 0xb5b69e05 in -[CairoGState DPSimage:::::::::::] (self=0x8211008,
_cmd=0xb5b80ff8, matrix=0x8259be8, pixelsWide=64, pixelsHigh=64,
bitsPerSample=8, samplesPerPixel=4, bitsPerPixel=<value optimized out>,
bytesPerRow=256, isPlanar=0 '\000', hasAlpha=1 '\001',
colorSpaceName=0xb7fb636c, data=0xbfffe57c) at CairoGState.m:1229
#7 0xb5b30e91 in -[GSContext(NSGraphics) NSDrawBitmap:::::::::::] (
self=0x825c480, _cmd=0xb5b908b0, rect=..., pixelsWide=64, pixelsHigh=64,
bitsPerSample=8, samplesPerPixel=4, bitsPerPixel=32, bytesPerRow=256,
isPlanar=0 '\000', hasAlpha=1 '\001', colorSpaceName=0xb7fb636c,
data=0xbfffe57c) at GSContext.m:911
#8 0xb5b6b6b8 in -[CairoContext(Ops) GSDrawImage::] (self=0x825c480,
_cmd=0xb7f05600, rect=..., imageref=0x8144b40) at CairoContext.m:180
#9 0xb7c50f86 in -[NSBitmapImageRep draw] (self=0x8144b40, _cmd=0xb7f3ff18)
at NSBitmapImageRep.m:1398
#10 0xb7cdf3ba in -[NSImageRep drawInRect:] (self=0x8144b40,
_cmd=0xb7f3db20,
aRect=...) at NSImageRep.m:484
#11 0xb7cda556 in -[NSImage drawRepresentation:inRect:] (self=0x824c340,