Reproduce AbstractMethodError due to incorrect single caller inlining
Bug: b/335584013
Change-Id: I01644126669d22feafe2f4ce4f3bc2b7730ee2d3
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/inliner/IllegalSingleCallerInliningOfSiblingTest.java b/src/test/java/com/android/tools/r8/ir/optimize/inliner/IllegalSingleCallerInliningOfSiblingTest.java
new file mode 100644
index 0000000..2894352
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/inliner/IllegalSingleCallerInliningOfSiblingTest.java
@@ -0,0 +1,83 @@
+// Copyright (c) 2024, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+package com.android.tools.r8.ir.optimize.inliner;
+
+import com.android.tools.r8.NeverClassInline;
+import com.android.tools.r8.NoHorizontalClassMerging;
+import com.android.tools.r8.NoVerticalClassMerging;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.ir.optimize.Inliner.Reason;
+import com.google.common.collect.ImmutableSet;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class IllegalSingleCallerInliningOfSiblingTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .addOptionsModification(
+ options -> options.testing.validInliningReasons = ImmutableSet.of(Reason.SINGLE_CALLER))
+ .enableNoHorizontalClassMergingAnnotations()
+ .enableNoVerticalClassMergingAnnotations()
+ .enableNeverClassInliningAnnotations()
+ .setMinApi(parameters)
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ // TODO(b/335584013): Fix single caller inlining.
+ .assertFailureWithErrorThatThrows(AbstractMethodError.class);
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ I i = System.currentTimeMillis() > 0 ? new B() : new C();
+ i.m();
+
+ new A().m();
+ }
+ }
+
+ interface I {
+
+ void m();
+ }
+
+ @NeverClassInline
+ @NoHorizontalClassMerging
+ @NoVerticalClassMerging
+ static class A {
+
+ public void m() {
+ System.out.println("A");
+ }
+ }
+
+ static class B extends A implements I {}
+
+ @NoHorizontalClassMerging
+ static class C implements I {
+
+ @Override
+ public void m() {
+ System.out.println("C");
+ }
+ }
+}
