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/BadAccess03.java

@@ -0,0 +1,15 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  check lambda cannot assign non-effectively final locals
+ * @compile/fail/ref=BadAccess03.out -XDrawDiagnostics BadAccess03.java
+ */
+
+class BadAccess03 {
+    void test() {
+        int k = 0;
+        int n = 2; //effectively final variable
+        Runnable r = ()-> { k = n; }; //error
+    }
+}