Benjamin Kramer 997fd5eeb4 [Recycler] Add asan/msan annotations. ...

This enables use after free and uninit memory checking for memory
returned by a recycler. SelectionDAG currently relies on the opcode of a
free'd node being ISD::DELETED_NODE, so poke a hole in the asan poison
for SDNode opcodes. This means that we won't find some issues, but only
in SDag.

llvm-svn: 300868

2017-04-20 18:29:37 +00:00

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