[GR-6688] Fixes for coming DSL changes.

.../src/com/oracle/truffle/r/ffi/impl/nodes/CoerceNodes.java

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

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

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

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

...src/com/oracle/truffle/r/nodes/builtin/base/MatchArg.java

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

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

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

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

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

...fle/r/nodes/builtin/base/fastpaths/IntersectFastPath.java

...uffle/r/nodes/builtin/base/fastpaths/SetDiffFastPath.java

.../nodes/builtin/base/foreign/CallAndExternalFunctions.java

...cle/truffle/r/nodes/builtin/base/printer/ListPrinter.java

...om/oracle/truffle/r/nodes/builtin/fastr/FastRInterop.java

...acle/truffle/r/nodes/access/vector/ExtractVectorNode.java

...ruffle/r/nodes/attributes/SpecialAttributesFunctions.java

...racle/truffle/r/nodes/function/call/PrepareArguments.java

.../r/nodes/function/call/PrepareMatchInternalArguments.java