feature/noverlay updated (208de5de59 -> fe14454101)

[Stefan Monnier]

monnier pushed a change to branch feature/noverlay.

      from  208de5de59 itree: Try and detect non-local exits during itree 
iterations
       new  30f5220277 Comment change: explain inheriting "dirty" offsets
       new  92a0bf6ce2 ; * test/src/buffer-tests.el (test-overlay-randomly): 
new test.
       new  fe14454101 Debug check overlay tree invariants


Summary of changes:
 src/itree.c              | 80 +++++++++++++++++++++++++++++++++++++++--
 test/src/buffer-tests.el | 92 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 169 insertions(+), 3 deletions(-)