[lsan] Make LSan ignore memory poisoned by ASan.

Summary:
No more (potenital) false negatives due to red zones or fake stack
frames.

Reviewers: kcc, samsonov

Reviewed By: samsonov

CC: llvm-commits, samsonov

Differential Revision: http://llvm-reviews.chandlerc.com/D2359

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@196778 91177308-0d34-0410-b5e6-96231b3b80d8
PR17977: don't assume EOWNERDEAD is always defined

Summary: See details in http://llvm.org/bugs/show_bug.cgi?id=17977

Reviewers: dvyukov

Reviewed By: dvyukov

CC: glider, llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2340

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@196779 91177308-0d34-0410-b5e6-96231b3b80d8
Fix Windows build.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@196780 91177308-0d34-0410-b5e6-96231b3b80d8