1 files changed, 18 insertions, 0 deletions
diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA78402.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA78402.java
new file mode 100644
index 000000000000..ed8d259ab462
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA78402.java
@@ -0,0 +1,18 @@
+import java.util.Collection;
+import java.util.List;
+
+class Reference<T> {}
+
+class Bug {
+  private static <T> void foo(List<T> x, Reference<String> y) {
+    System.out.println(x);
+  }
+
+  private static <T> void foo(Collection<T> x, Reference<T> y) {
+    System.out.println(x);
+  }
+
+  public static void bazz(List<String> bar) {
+    foo<error descr="Ambiguous method call: both 'Bug.foo(List<String>, Reference<String>)' and 'Bug.foo(Collection<String>, Reference<String>)' match">(bar, null)</error>;
+  }
+}
+\ No newline at end of file