Richard Smith 4a8e454ab2 Don't use isa<CallInst>(this) in the constructor for CallInst's base class. ...

This has undefined behavior, because the classof implementation attempts to
access parts of the not-yet-constructed derived class. Found by clang
-fsanitize=vptr.

llvm-svn: 170658

2012-12-20 04:11:02 +00:00

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