[GR-5543] Various fixes concerning package 'afex' and all dependencies.

...rc/com/oracle/truffle/r/engine/RRuntimeASTAccessImpl.java

...oracle/truffle/r/ffi/impl/common/JavaUpCallsRFFIImpl.java

...om/oracle/truffle/r/ffi/impl/llvm/TruffleLLVM_Lapack.java

...oracle/truffle/r/ffi/impl/managed/Managed_LapackRFFI.java

...src/com/oracle/truffle/r/ffi/impl/nfi/NativeFunction.java

.../com/oracle/truffle/r/ffi/impl/nfi/TruffleNFI_Lapack.java

...c/com/oracle/truffle/r/ffi/impl/nodes/DuplicateNodes.java

...pl/src/com/oracle/truffle/r/ffi/impl/nodes/MiscNodes.java

...com/oracle/truffle/r/ffi/impl/upcalls/StdUpCallsRFFI.java

...ibrary/src/com/oracle/truffle/r/library/methods/Slot.java

...om/oracle/truffle/r/library/methods/SubstituteDirect.java

...oracle.truffle.r.native/fficall/src/common/rffi_upcalls.h

...e.truffle.r.native/fficall/src/common/rffi_upcallsindex.h

...ve/fficall/src/truffle_common/Rinternals_truffle_common.h

...truffle.r.native/fficall/src/truffle_common/lapack_rffi.c

com.oracle.truffle.r.native/version.source

...n/src/com/oracle/truffle/r/nodes/builtin/base/AsCall.java

.../com/oracle/truffle/r/nodes/builtin/base/BasePackage.java

...com/oracle/truffle/r/nodes/builtin/base/EnvFunctions.java

.../oracle/truffle/r/nodes/builtin/base/IsTypeFunctions.java