feature/noverlay updated (aa5a32ca2c -> 1f31534f51)

[Stefan Monnier]

monnier pushed a change to branch feature/noverlay.

      from  aa5a32ca2c itree.c: Clarify how the sentinel is used
       new  5642b4a255 itree.c: Fix incomplete update of `limit`s in corner 
cases
       new  1f31534f51 itree.c: Fix corner case errors in offsets


Summary of changes:
 src/itree.c | 201 +++++++++++++++++++++++++++++++++++++++++-------------------
 src/itree.h |   1 -
 2 files changed, 138 insertions(+), 64 deletions(-)