don't cache substitutors during processing of all candidates (blinking red code)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/expressions/NonCachingFolding.java

@@ -0,0 +1,22 @@
+import java.util.function.Function;
+import java.util.*;
+
+class Test {
+  void m(Set<String> i) {
+    final List<String> getters = new ArrayList<String>(map(i, new Func<caret>tion<String, String>() {
+      @Override
+      public String apply(String propertyName) {
+        return propertyName;
+      }
+    }));
+  }
+
+
+  public static <T,V> List<V> map(Iterable<? extends T> iterable, Function<T, V> mapping) {
+    return null;
+  }
+
+  public static <T,V> List<V> map(Collection<? extends T> iterable, Function<T, V> mapping) {
+    return null;
+  }
+}