Fix problem of getting reference and parameter in functional literal inside other parameter (EA-48757)

idea/src/org/jetbrains/jet/plugin/project/ResolveElementCache.java

@@ -102,6 +102,12 @@ public class ResolveElementCache {
             return additionalResolveCache.getValue().fun(elementOfAdditionalResolve);
         }
 
+        JetParameter parameter = PsiTreeUtil.getTopmostParentOfType(jetElement, JetParameter.class);
+        if (parameter != null) {
+            // Parameters for function literal could be met inside other parameters. We can't make resolveToDescriptors for internal elements.
+            jetElement = parameter;
+        }
+
         JetDeclaration declaration = PsiTreeUtil.getParentOfType(jetElement, JetDeclaration.class, false);
         if (declaration != null) {
             // Activate descriptor resolution

idea/testData/resolve/references/TypeParameterInFunctionLiteral.kt

@@ -0,0 +1,5 @@
+package testing
+
+class TestClass(val test: (<caret>String) -> Int)
+
+// REF: (jet).String

idea/tests/org/jetbrains/jet/resolve/ReferenceResolveTestGenerated.java

@@ -166,4 +166,9 @@ public class ReferenceResolveTestGenerated extends AbstractResolveBaseTest {
         doTest("idea/testData/resolve/references/SeveralOverrides.kt");
     }
     
+    @TestMetadata("TypeParameterInFunctionLiteral.kt")
+    public void testTypeParameterInFunctionLiteral() throws Exception {
+        doTest("idea/testData/resolve/references/TypeParameterInFunctionLiteral.kt");
+    }
+    
 }