StacktraceTop: INT_cairo_region_is_empty (region=0x0) at /build/buildd/cairo-1.12.2/src/cairo-region.c:815 ?? () ?? ()
StacktraceTop: region_ is_empty (region=0x0) at /build/ buildd/ cairo-1. 12.2/src/ cairo-region. c:815
INT_cairo_
?? ()
?? ()