java-topology/test/langtools/tools/javac/lambda/CrashWithFunctionDescriptorLookupErrorTest.java
russell@unturf.com 0a580b313d 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.
2026-03-26 17:11:57 -04:00

25 lines
700 B
Java

/*
* @test /nodynamiccopyright/
* @bug 8334466
* @summary Ambiguous method call with generics may cause FunctionDescriptorLookupError
* @compile/fail/ref=CrashWithFunctionDescriptorLookupErrorTest.out -XDrawDiagnostics CrashWithFunctionDescriptorLookupErrorTest.java
*/
import java.util.List;
class CrashWithFunctionDescriptorLookupErrorTest {
void m() {
List<X> list = List.of(new X());
test(list.get(0));
}
void test(A<?> a) { }
void test(B<?> b) { }
interface A<T extends A<T>> { T a(); }
interface B<T extends B<T>> { T b(); }
class X implements A<X>, B<X> {
public X a() { return null; }
public X b() { return null; }
}
}