Fix fallback handlers were not using generic arguments.

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

@@ -359,7 +359,7 @@ public abstract class Identical extends RBuiltinNode {
 
     @SuppressWarnings("unused")
     @Fallback
-    protected byte doInternalIdenticalWrongTypes(Object x, Object y, boolean numEq, boolean singleNA, boolean attribAsSet, boolean ignoreBytecode, boolean ignoreEnvironment) {
+    protected byte doInternalIdenticalWrongTypes(Object x, Object y, Object numEq, Object singleNA, Object attribAsSet, Object ignoreBytecode, Object ignoreEnvironment) {
         if (x.getClass() != y.getClass()) {
             return RRuntime.LOGICAL_FALSE;
         } else {

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

@@ -204,4 +204,5 @@ public abstract class Merge extends RBuiltinNode {
 
         return ans;
     }
+
 }

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

@@ -60,7 +60,7 @@ public abstract class Tabulate extends RBuiltinNode {
     @SuppressWarnings("unused")
     @Fallback
     @TruffleBoundary
-    protected RIntVector tabulate(Object bin, int nBins) {
+    protected RIntVector tabulate(Object bin, Object nBins) {
         throw RError.error(this, RError.Message.INVALID_INPUT);
     }
 }