[Interpreter] Add an unsigned immediate operand type

src/interpreter/bytecode-array-builder.cc

Index: src/interpreter/bytecode-array-builder.cc
diff --git a/src/interpreter/bytecode-array-builder.cc b/src/interpreter/bytecode-array-builder.cc
index 0220c2bd7dfc1340a8323cc29147721c27d5a83b..957e0f3ddd2f7c55809fb9be0f366a6511948145 100644
--- a/src/interpreter/bytecode-array-builder.cc
+++ b/src/interpreter/bytecode-array-builder.cc
@@ -782,10 +782,10 @@ bool BytecodeArrayBuilder::OperandsAreValid(
         }
         break;
       case OperandType::kIdx:
-        // TODO(oth): Consider splitting OperandType::kIdx into two
-        // operand types. One which is a constant pool index that can
-        // be checked, and the other is an unsigned value.
+        // TODO(leszeks): Possibly split this up into constant pool indices and
+        // other indices, for checking
         break;
+      case OperandType::kUImm:
       case OperandType::kImm:
         break;
       case OperandType::kMaybeReg: