IDEA-51920 'Suspicious call to Map.get' inspection should be aware of dataflow type information

java/java-tests/testData/inspection/suspiciousCalls/UseDfa.java

@@ -0,0 +1,11 @@
+import java.lang.Integer;
+import java.util.Map;
+
+class Clazz {
+  void f(Map<Integer, String> map, Object o) {
+    if (o instanceof Integer && map.containsKey(o)) {
+      System.out.println();
+    }
+  }
+
+}

java/java-tests/testSrc/com/intellij/codeInspection/SuspiciousCollectionMethodCallsTest.java

@@ -17,6 +17,7 @@ public class SuspiciousCollectionMethodCallsTest extends LightCodeInsightFixture
     myFixture.testHighlighting(getTestName(false) + ".java");
   }
 
+  public void testUseDfa() throws Exception { doTest(); }
   public void testWildcard() throws Exception { doTest(); }
   public void testIgnoreConvertible() throws Exception {
     myTool.REPORT_CONVERTIBLE_METHOD_CALLS = false;