Make operator %*% group generic (Ops group).

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

@@ -23,6 +23,7 @@
 package com.oracle.truffle.r.nodes.builtin.base;
 
 import static com.oracle.truffle.r.nodes.attributes.SpecialAttributesFunctions.GetDimAttributeNode.isMatrix;
+import static com.oracle.truffle.r.runtime.RDispatch.OPS_GROUP_GENERIC;
 import static com.oracle.truffle.r.runtime.builtins.RBehavior.PURE;
 import static com.oracle.truffle.r.runtime.builtins.RBuiltinKind.PRIMITIVE;
 
@@ -62,7 +63,7 @@ import com.oracle.truffle.r.runtime.data.nodes.GetReadonlyData;
 import com.oracle.truffle.r.runtime.ops.BinaryArithmetic;
 import com.oracle.truffle.r.runtime.ops.na.NACheck;
 
-@RBuiltin(name = "%*%", kind = PRIMITIVE, parameterNames = {"", ""}, behavior = PURE)
+@RBuiltin(name = "%*%", kind = PRIMITIVE, parameterNames = {"", ""}, behavior = PURE, dispatch = OPS_GROUP_GENERIC)
 public abstract class MatMult extends RBuiltinNode.Arg2 {
 
     private static final int BLOCK_SIZE = 64;