Reproduce invalid removal of field assignment
Bug: b/445967247
Change-Id: Ic7feafe44915b150cd7a1c97a5c295c925d21753
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/B445967247Test.java b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/B445967247Test.java
new file mode 100644
index 0000000..48708a3
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/B445967247Test.java
@@ -0,0 +1,76 @@
+// Copyright (c) 2025, 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;
+
+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 java.util.Arrays;
+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 B445967247Test extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void testJvm() throws Exception {
+ parameters.assumeJvmTestParameters();
+ testForJvm(parameters)
+ .addInnerClasses(getClass())
+ .run(parameters.getRuntime(), Main.class)
+ .assertSuccessWithOutputLines("[Hello, world!]");
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ testForR8(parameters)
+ .addInnerClasses(getClass())
+ .addKeepClassAndMembersRules(Main.class)
+ .enableInliningAnnotations()
+ .run(parameters.getRuntime(), Main.class)
+ // TODO(b/445967247): Fixme.
+ .assertSuccessWithOutputLines("[]");
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ A a = new A(new String[] {"Hello, world!"});
+ print(a);
+ }
+
+ static void print(A a) {
+ System.out.println(Arrays.toString(a.f));
+ }
+ }
+
+ static class A {
+
+ static final String[] EMPTY_ARRAY = new String[0];
+
+ String[] f;
+
+ A(String[] f) {
+ this();
+ this.f = f;
+ }
+
+ @NeverInline
+ A() {
+ f = EMPTY_ARRAY;
+ }
+ }
+}
