retrieve collection type from capture in foreach stmt (IDEA-151406)

java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/JavaGenericsUtil.java

@@ -297,6 +297,9 @@ public class JavaGenericsUtil {
         }
       }
     }
+    if (type instanceof PsiCapturedWildcardType) {
+      return getCollectionItemType(((PsiCapturedWildcardType)type).getUpperBound(), scope);
+    }
     return null;
   }
 

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

@@ -0,0 +1,9 @@
+
+import java.util.Collection;
+import java.util.Map;
+
+class Test {
+  private void foo(Map.Entry<Integer, ? extends Collection<String>> entry) {
+    for (String propertyName : entry.getValue()) {}
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/GenericsHighlighting8Test.java

@@ -958,4 +958,8 @@ public class GenericsHighlighting8Test extends LightDaemonAnalyzerTestCase {
   public void testRetrieveInferenceErrorsFromContainingCallsIfCurrentDoesNotProvideAny() throws Exception {
     doTest();
   }
+
+  public void testForeachOverCapturedWildcardWithCollectionUpperBound() throws Exception {
+    doTest();
+  }
 }