Don't do a recursive call when there are CHA guards.

Otherwise we would continue execute the method with invalid inlining
optimizations.

Test: 832-cha-recursive
Bug: 19381779
Change-Id: I57d73828d2a9c30f429cf32906f94244346c1310

1 files changed, 53 insertions, 0 deletions

diff --git a/test/832-cha-recursive/src/Main.java b/test/832-cha-recursive/src/Main.java
new file mode 100644
index 0000000000..ed865a78f1
--- /dev/null
+++ b/test/832-cha-recursive/src/Main.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class Main {
+  int mainField = 42;
+
+  public static void main(String[] args) throws Exception {
+    System.loadLibrary(args[0]);
+    ensureJitCompiled(Main.class, "$noinline$callRecursiveMethod");
+    $noinline$callRecursiveMethod(true);
+  }
+
+  public static void expectEquals(int expected, int actual) {
+    if (expected != actual) {
+      throw new Error("Expected " + expected + ", got " + actual);
+    }
+  }
+
+  public static void $noinline$callRecursiveMethod(boolean firstEntry) throws Exception {
+    Class<?> cls = Class.forName("LoadedLater");
+    Main m = (Main)cls.newInstance();
+    if (firstEntry) {
+      $noinline$callRecursiveMethod(false);
+    } else {
+      expectEquals(0, m.getField());
+    }
+  }
+
+  public int getField() {
+    return mainField;
+  }
+
+  public static native void ensureJitCompiled(Class<?> cls, String methodName);
+}
+
+class LoadedLater extends Main {
+  public int getField() {
+    return 0;
+  }
+}