fix casting to primitives according to the spec (IDEA-131107; IDEA-148880)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/CastingCapturedWildcardToPrimitive.java

@@ -0,0 +1,17 @@
+class Foo<T> {
+
+  private T _value;
+
+  T getValue() {
+    return _value;
+  }
+
+  static Foo<?> getFoo() {
+    return new Foo<>();
+  }
+
+  public static void main(String[] args) {
+    Foo<?> foo = getFoo();
+    double value = <error descr="Inconvertible types; cannot cast 'capture<?>' to 'double'">(double) foo.getValue()</error>;
+  }
+}