commit bbcd30bf9a39e40879426ec703985c96df1d7491
author Ian Rogers <irogers@google.com> Thu Oct 30 15:25:36 2014 -0700
committer Ian Rogers <irogers@google.com> Thu Oct 30 15:25:36 2014 -0700
tree bb2ffc6c685b2afc333477396856ce05697d3e19
parent a8825e4b38ae01fa77d255ca423ab2f2b77c6097

Avoid signed integer overflow in identity hash code.

Caught by -ftrapv.

Change-Id: Ib8dbb31440ccce88a3c3ce7ea3b2394621616eff

runtime/mirror/object.h

diff --git a/runtime/mirror/object.h b/runtime/mirror/object.h
index b2b2420..0ce5231 100644
--- a/runtime/mirror/object.h
+++ b/runtime/mirror/object.h
@@ -451,7 +451,7 @@
   }
 
   // Generate an identity hash code.
-  static int32_t GenerateIdentityHashCode();
+  static uint32_t GenerateIdentityHashCode();
 
   // A utility function that copies an object in a read barrier and
   // write barrier-aware way. This is internally used by Clone() and