llvm-svn: 97454

Fix unit test on FreeBSD. We need to make sure there is enough space to save the pointer even if the memory returned from malloc was already aligned.

llvm-svn: 78805

values.  Hopefully this fixes PR4622.

llvm-svn: 77088

an off-by-one error.

llvm-svn: 76891

Reverting r76825 and r76828, since they caused clang runtime errors and some build failure involving memset.

llvm-svn: 76838

malloc, so there should be no functional changes to other code.

These changes are necessary since I have plans to use this allocator in the JIT
memory manager, and it needs a special allocator.

I also added some tests which helped me pinpoint some bugs.

llvm-svn: 76825