Merge branch 'master' into feature/pkgtest

...fle.r.engine/src/com/oracle/truffle/r/engine/REngine.java

...ine/src/com/oracle/truffle/r/engine/TruffleRLanguage.java

...e/truffle/r/engine/interop/RForeignAccessFactoryImpl.java

.../oracle/truffle/r/engine/interop/RInteropExecuteNode.java

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

...c/com/oracle/truffle/r/nodes/builtin/base/UpdateAttr.java

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

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

...rc/com/oracle/truffle/r/nodes/builtin/base/UpdateDim.java

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

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

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

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

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

...le/truffle/r/nodes/access/variables/ReadVariableNode.java

.../com/oracle/truffle/r/nodes/binary/BinaryBooleanNode.java

...om/oracle/truffle/r/nodes/function/CallArgumentsNode.java

...acle/truffle/r/nodes/function/FunctionDefinitionNode.java

...om/oracle/truffle/r/nodes/function/PromiseHelperNode.java

...es/src/com/oracle/truffle/r/nodes/function/RCallNode.java