#0  _tor_blt_src (in=0x7fff0d3d6bd0, box=<optimized out>, v=16 '\020') at ../../../src/sna/sna_trapezoids_imprecise.c:2197
  [Error: ../../../src/sna/sna_trapezoids_imprecise.c was not found in source tree]
#1  0x00007f5a1fb69731 in tor_blt (unbounded=1, height=<optimized out>, y=<optimized out>, span=0x7f5a1fb67350 <tor_blt_src>, clip=0x7f5a278e79e0, op=0x7fff0d3d6bd0, converter=0x7f5a1f2aa300, sna=0x0) at ../../../src/sna/sna_trapezoids_imprecise.c:1127
  [Error: ../../../src/sna/sna_trapezoids_imprecise.c was not found in source tree]
#2  tor_render (sna=sna@entry=0x0, converter=converter@entry=0x7f5a1f2aa300, op=op@entry=0x7fff0d3d6bd0, clip=0x7f5a278e79e0, span=0x7f5a1fb67350 <tor_blt_src>, unbounded=1) at ../../../src/sna/sna_trapezoids_imprecise.c:1230
  [Error: ../../../src/sna/sna_trapezoids_imprecise.c was not found in source tree]
#3  0x00007f5a1fb6a2db in inplace_thread (arg=0x7fff0d3d6bb8) at ../../../src/sna/sna_trapezoids_imprecise.c:2898
  [Error: ../../../src/sna/sna_trapezoids_imprecise.c was not found in source tree]
#4  0x00007f5a1fb7eb67 in __run__ (arg=0x7f5a269fe0e0) at ../../../src/sna/sna_threads.c:65
  [Error: ../../../src/sna/sna_threads.c was not found in source tree]
#5  0x00007f5a25082182 in start_thread (arg=0x7f5a1f2ac700) at pthread_create.c:312
  [Error: pthread_create.c was not found in source tree]
#6  0x00007f5a23b92fbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]