Merge

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

com.oracle.truffle.r.native/fficall/jni/src/register.c

com.oracle.truffle.r.native/fficall/jni/src/rfficall.c

com.oracle.truffle.r.native/fficall/jni/src/rffiutils.h

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

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

...acle/truffle/r/nodes/builtin/base/DatePOSIXFunctions.java

...m/oracle/truffle/r/nodes/builtin/base/FrameFunctions.java

...truffle/r/nodes/builtin/base/InfixEmulationFunctions.java

...in/src/com/oracle/truffle/r/nodes/builtin/base/Match.java

...fle.r.nodes/src/com/oracle/truffle/r/nodes/RASTUtils.java

...nodes/src/com/oracle/truffle/r/nodes/RTruffleVisitor.java

...s/src/com/oracle/truffle/r/nodes/access/ConstantNode.java

.../com/oracle/truffle/r/nodes/function/ArgumentMatcher.java

....r.runtime/src/com/oracle/truffle/r/runtime/RDeparse.java

....runtime/src/com/oracle/truffle/r/runtime/RSerialize.java

...ntime/src/com/oracle/truffle/r/runtime/gnur/SEXPTYPE.java

...est/src/com/oracle/truffle/r/test/ExpectedTestOutput.test

...ruffle.r.test/src/com/oracle/truffle/r/test/TestBase.java

...c/com/oracle/truffle/r/test/builtins/TestBuiltin_Arg.java