Support streaming operator on arrays and wide data (#5326)

Signed-off-by: Arkadiusz Kozdra <[email protected]>

src/V3Slice.cpp

@@ -228,7 +228,7 @@ class SliceVisitor final : public VNVisitor {
             AstNodeDType* const dtp = nodep->lhsp()->dtypep()->skipRefp();
             AstNode* stp = nodep->rhsp();
             if (const AstUnpackArrayDType* const arrayp = VN_CAST(dtp, UnpackArrayDType)) {
-                if (!VN_IS(stp, CvtPackedToUnpackArray)) {
+                if (!VN_IS(stp, CvtPackedToArray)) {
                     // Left and right could have different ascending/descending range,
                     // but #elements is common and all variables are realigned to start at zero
                     // Assign of an ascending range slice to a descending range one must reverse