register local refs to java if references are registered in literal expression by foreign contributor (e.g. reflection, data providers, etc) (IDEA-171495)

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

@@ -793,6 +793,15 @@ public class HighlightVisitorImpl extends JavaElementVisitor implements Highligh
     if (myHolder.hasErrorResults()) return;
     myHolder.add(HighlightUtil.checkLiteralExpressionParsingError(expression, myLanguageLevel,myFile));
     if (myRefCountHolder != null && !myHolder.hasErrorResults()) registerReferencesFromInjectedFragments(expression);
+
+    if (myRefCountHolder != null && !myHolder.hasErrorResults()) {
+      for (PsiReference reference : expression.getReferences()) {
+        PsiElement resolve = reference.resolve();
+        if (resolve instanceof PsiMember) {
+          myRefCountHolder.registerReference(reference, new CandidateInfo(resolve, PsiSubstitutor.EMPTY));
+        }
+      }
+    };
   }
 
   @Override

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/UsedMethodCalledViaReflectionInTheSameFile.java

@@ -0,0 +1,7 @@
+class MyTest {
+  public static void main(String[] args) throws Throwable {
+    MyTest.class.getMethod("abcdef");
+  }
+
+  private void abcdef() {}
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/LightAdvHighlightingJdk7Test.java

@@ -184,6 +184,7 @@ public class LightAdvHighlightingJdk7Test extends LightDaemonAnalyzerTestCase {
   public void testTryWithResourcesWithMultipleCloseInterfaces() { doTest(false, false);}
   public void testIDEA138978() { doTest(false, false); }
   public void testIntersectionTypeCast() { doTest(false, false); }
+  public void testUsedMethodCalledViaReflectionInTheSameFile() { doTest(true, false); }
 
   public void testArrayInitializerTypeCheckVariableType() { doTest(false, false);}