Reproduce targeted but not live lambda
Change-Id: I56774a6345458e55a4afaef9c8a6b1cd62a240e4
Bug: 209475782
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/TargetedButNotLiveLambdaAfterDevirtualizationTest.java b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/TargetedButNotLiveLambdaAfterDevirtualizationTest.java
new file mode 100644
index 0000000..da325d1
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/TargetedButNotLiveLambdaAfterDevirtualizationTest.java
@@ -0,0 +1,84 @@
+// Copyright (c) 2021, 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.membervaluepropagation.fields;
+
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.utils.codeinspector.AssertUtils;
+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;
+
+/** Reproduction of b/209475782. */
+@RunWith(Parameterized.class)
+public class TargetedButNotLiveLambdaAfterDevirtualizationTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ AssertUtils.assertFailsCompilationIf(
+ parameters.isDexRuntime(),
+ () ->
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .enableInliningAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ .assertSuccessWithEmptyOutput());
+ }
+
+ static class Main {
+
+ static I f;
+ static I f2;
+
+ public static void main(String[] args) {
+ if (alwaysFalse()) {
+ setFields();
+ }
+ if (unknownButFalse()) {
+ callLambdaMethods();
+ }
+ }
+
+ static boolean alwaysFalse() {
+ return false;
+ }
+
+ static boolean unknownButFalse() {
+ return System.currentTimeMillis() < 0;
+ }
+
+ @NeverInline
+ static void setFields() {
+ f = () -> System.out.println("Foo!");
+ f2 = () -> System.out.println("Bar!");
+ }
+
+ @NeverInline
+ static void callLambdaMethods() {
+ f.m();
+ f2.m();
+ }
+ }
+
+ interface I {
+
+ void m();
+ }
+}
