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

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/CastingToPrimitive.java

@@ -0,0 +1,35 @@
+class Test {
+  public <T> void foo(T valIn){
+    double val = (double ) valIn;
+  }
+  
+  public <T extends Double> void foo1(T valIn){
+    double val = (double ) valIn;
+  }
+
+  public <T extends String> void foo2(T valIn){
+    double val = <error descr="Inconvertible types; cannot cast 'T' to 'double'">(double ) valIn</error>;
+  }
+
+  public <T extends S, S extends Double> void foo2(T valIn){
+    double val = (double ) valIn;
+  }
+}
+
+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 = (double) foo.getValue();
+  }
+}

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>;
+  }
+}