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Author SHA1 Message Date
Peter Collingbourne 3baa72af7d ThinLTOBitcodeWriter: Do not follow operand edges of type GlobalValue when looking for virtual functions. 
Such edges may otherwise result in infinite recursion if a pointer to a vtable
is reachable from the vtable itself. This can happen in practice if a TU
defines the ABI types used to implement RTTI, and is itself compiled with RTTI.

Fixes PR32121.

llvm-svn: 296839
 2017-03-02 23:10:17 +00:00