[llvm-commits] [ASan] Define an internal implementation of strchr to make stack OOB tests pass (issue 5668047)

[timurrrr at google.com]

Kostya, PTAL

Alexander,
I think the value of these CHECKs is debatable and if we decide they are
needed we can bulk-add them to all str* mem* functions later, WDYT?

http://codereview.appspot.com/5668047/