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/T8042759/ImplicitLambdaConsideredForApplicabilityTest.java

@@ -0,0 +1,33 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8042759
+ * @summary Lambda returning implicitly-typed lambdas considered pertinent to applicability
+ * @compile/fail/ref=ImplicitLambdaConsideredForApplicabilityTest.out -XDrawDiagnostics ImplicitLambdaConsideredForApplicabilityTest.java
+ */
+
+abstract class ImplicitLambdaConsideredForApplicabilityTest {
+    interface A {
+        B m(int a, int b);
+    }
+
+    interface C {
+        String m(int a, int b);
+    }
+
+    interface B {
+        int m(int c);
+    }
+
+    abstract void foo(A a);
+
+    abstract void foo(C c);
+
+    void bar() {
+        foo((int a, int b) -> {
+            if(a < b)
+                return c -> 0;
+            else
+                return c -> 0;
+        });
+    }
+}