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/MethodReference25.java

@@ -0,0 +1,27 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  check that non-boxing method references is not preferred over boxing one
+ * @compile/fail/ref=MethodReference25.out -XDrawDiagnostics MethodReference25.java
+ */
+
+class MethodReference25 {
+
+    static void m(Integer i) { }
+
+    interface SAM1 {
+        void m(int x);
+    }
+
+    interface SAM2 {
+        void m(Integer x);
+    }
+
+    static void call(int i, SAM1 s) { s.m(i);  }
+    static void call(int i, SAM2 s) { s.m(i);  }
+
+    public static void meth() {
+        call(1, MethodReference25::m); //ambiguous
+    }
+}