=> 0x7f2b987a2d1c:	mov    0x50(%rbx),%rdi
   0x7f2b987a2d20:	mov    %rax,0x8(%rbx)
   0x7f2b987a2d24:	mov    0x188(%r12),%eax
   0x7f2b987a2d2c:	test   %rdi,%rdi
   0x7f2b987a2d2f:	mov    %eax,0x10(%rbx)
   0x7f2b987a2d32:	mov    0x144(%r12),%rax
   0x7f2b987a2d3a:	mov    %rax,0x14(%rbx)
   0x7f2b987a2d3e:	mov    0x14c(%r12),%eax
   0x7f2b987a2d46:	mov    %eax,0x1c(%rbx)
   0x7f2b987a2d49:	je     0x7f2b987a2d50
   0x7f2b987a2d4b:	callq  0x7f2b986171c8 <pango_font_description_free@plt>
   0x7f2b987a2d50:	mov    0x210(%r12),%rdi
   0x7f2b987a2d58:	callq  0x7f2b9861b8b8 <pango_font_description_copy@plt>
   0x7f2b987a2d5d:	mov    %rbp,%rdi
   0x7f2b987a2d60:	mov    %rax,0x50(%rbx)
   0x7f2b987a2d64:	callq  0x7f2b9880ab40 <gtk_widget_create_pango_context>