search for: 1000338

Hi I'm using the llvm-c wrapper, and trying to build some recursive types (using released 2.3). I get an assert on trying to create a second opaque pointer type after refining a first. The first time through creating an opaque pointer type, a new type is created and returned from PointerType::get, but the second time, ValueType (the opaque type) is found in the PointerTypes map, which seems