Remove unused reference to missing sun.misc.Unsafe method

am: 7664db57a5

Change-Id: Ifa6ec20fbb5f4bd5d7581aa93a5161c1c49d3aad

1 files changed, 13 insertions, 4 deletions

diff --git a/java/core/src/main/java/com/google/protobuf/UnsafeUtil.java b/java/core/src/main/java/com/google/protobuf/UnsafeUtil.java
index 6a4787d1..051fffc9 100644
--- a/java/core/src/main/java/com/google/protobuf/UnsafeUtil.java
+++ b/java/core/src/main/java/com/google/protobuf/UnsafeUtil.java
@@ -73,10 +73,19 @@ final class UnsafeUtil {
     UNSAFE.putByte(target, offset, value);
   }
 
-  static void copyMemory(
-      byte[] src, long srcOffset, byte[] target, long targetOffset, long length) {
-    UNSAFE.copyMemory(src, srcOffset, target, targetOffset, length);
-  }
+  // BEGIN Android-removed
+  // This method doesn't exist in sun.misc.Unsafe in Android, and leaving the
+  // dangling reference causes soft-verification errors when a jarjar'd version
+  // of libprotobuf-java-lite is included in the bootclasspath:
+  //  Soft verification failures in void com.android.framework.protobuf.UnsafeUtil.copyMemory(byte[], long, byte[], long, long)
+  //  void com.android.framework.protobuf.UnsafeUtil.copyMemory(byte[], long, byte[], long, long): [0x7] couldn't find method sun.misc.Unsafe.copyMemory ([BJ[BJJ)V
+  // This method is unused in the current open-source implementation of the
+  // protobuf lite runtime, so just remove it for now.
+  //static void copyMemory(
+  //    byte[] src, long srcOffset, byte[] target, long targetOffset, long length) {
+  //  UNSAFE.copyMemory(src, srcOffset, target, targetOffset, length);
+  //}
+  // END Android-removed
 
   static long getLong(byte[] target, long offset) {
     return UNSAFE.getLong(target, offset);