[GC] level  1   gcs(minor)  247 gcs(major)  1
[GC] stack      0x00007fff7bc54f00      0x000000007bc54e10      0x00007fff7bd54f00
[GC]  from      0x00007fd4d6a6e010      0x00007fd4d6aade88      0x00007fd4d6aee010      0x000000000003fe78
[GC]    to      0x00007fd4d6aef010      0x00007fd4d6aef010      0x00007fd4d6b6f010 
[GC] 0 locatives (from 32)
[GC] level  1   gcs(minor)  252 gcs(major)  2
[GC] stack      0x00007fff7bc54f00      0x000000007bc54e00      0x00007fff7bd54f00
[GC]  from      0x00007fd4d6aef010      0x00007fd4d6b2ee88      0x00007fd4d6b6f010      0x000000000003fe78
[GC]    to      0x00007fd4d6a6e010      0x00007fd4d6a6e010      0x00007fd4d6aee010 
[GC] 0 locatives (from 32)
[GC] level  1   gcs(minor)  252 gcs(major)  3
[GC] stack      0x00007fff7bc54f00      0x000000007bc54de0      0x00007fff7bd54f00
[GC]  from      0x00007fd4d6a6e010      0x00007fd4d6aade70      0x00007fd4d6aee010      0x000000000003fe60
[GC]    to      0x00007fd4d6aef010      0x00007fd4d6aef010      0x00007fd4d6b6f010 
[GC] 0 locatives (from 32)