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Author SHA1 Message Date
Vedant Kumar 9174b684b7 [ubsan] array-bounds: Ignore params with constant size 
This is a follow-up to r320128. Eli pointed out that there is some gray
area in the language standard about whether the constant size is exact,
or a lower bound.

https://reviews.llvm.org/D40940

llvm-svn: 320185
 2017-12-08 19:51:42 +00:00
Vedant Kumar 36347d917f [ubsan] Use pass_object_size info in bounds checks 
Teach UBSan's bounds check to opportunistically use pass_object_size
information to check array accesses.

rdar://33272922

llvm-svn: 320128
 2017-12-08 01:51:47 +00:00