auto import //branches/master/...@140412
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index f4643f4..7dd59c4 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -642,6 +642,10 @@
         if (opc != NULL) {
             opt.optionString = "-Xgenregmap";
             mOptions.add(opt);
+
+            /* turn on precise GC while we're at it */
+            opt.optionString = "-Xgc:precise";
+            mOptions.add(opt);
         }
     }