RFR 8155047: [JVMCI] findLeafConcreteSubtype should handle arrays of leaf concrete subtype

[Christian Thalinger]

> On Apr 28, 2016, at 6:13 AM, Tom Rodriguez <tom.rodriguez at oracle.com> wrote:
> 
> http://cr.openjdk.java.net/~never/8155047/webrev

         public LeafType(ResolvedJavaType context) {
+            assert !context.isLeaf() : "assumption isn't required for leaf types";
This assert is confusing.  The assumption is that a given type has no subtypes, which is also true for leaf types.  Does this assert make sure it’s not used in the wrong places?

> 
> findLeafConcreteSubtype should use the same machinery for the elemental type when identifying leaf array types.
> 
> tom

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