undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/langtools/tools/javac/lambda/MostSpecific23.java

@@ -0,0 +1,20 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8143852
+ * @summary Most specific failure if ivar can be bounded by functional interface method tparam
+ * @compile/fail/ref=MostSpecific23.out -XDrawDiagnostics MostSpecific23.java
+ */
+class MostSpecific23 {
+    interface F1<T> { <X extends T> Object apply(Integer arg); }
+    interface F2 { <Y extends Class<Y>> String apply(Integer arg); }
+
+    static <T> T m1(F1<T> f) { return null; }
+    static Object m1(F2 f) { return null; }
+
+    static String foo(Object in) { return "a"; }
+
+    void test() {
+        m1(MostSpecific23::foo);
+    }
+
+}