[PATCH] D11236: ScalarEvolution: Make required passes transitive to prevent dangling pointers

[hfinkel at anl.gov]

hfinkel added a subscriber: hfinkel.
hfinkel accepted this revision.
hfinkel added a reviewer: hfinkel.
hfinkel added a comment.
This revision is now accepted and ready to land.

LGTM.


http://reviews.llvm.org/D11236