diff -r f4254623c54e -r 0e026d3f2786 src/share/classes/com/sun/tools/javac/comp/Check.java
--- a/src/share/classes/com/sun/tools/javac/comp/Check.java	Tue May 27 21:15:06 2014 +0100
+++ b/src/share/classes/com/sun/tools/javac/comp/Check.java	Tue May 27 17:30:48 2014 -0600
@@ -618,10 +618,10 @@
          if (a.isUnbound()) {
              return true;
          } else if (!a.hasTag(WILDCARD)) {
-             a = types.upperBound(a);
+             a = types.cvarUpperBound(a);
              return types.isSubtype(a, bound);
          } else if (a.isExtendsBound()) {
-             return types.isCastable(bound, types.upperBound(a), types.noWarnings);
+             return types.isCastable(bound, types.wildUpperBound(a), types.noWarnings);
          } else if (a.isSuperBound()) {
              return !types.notSoftSubtype(types.wildLowerBound(a), bound);
          }