1 files changed, 1 insertions, 0 deletions
diff --git a/utils/unittest/googletest/include/gtest/internal/gtest-linked_ptr.h b/utils/unittest/googletest/include/gtest/internal/gtest-linked_ptr.h
index f98af0b123..d4c7a39b0e 100644
--- a/utils/unittest/googletest/include/gtest/internal/gtest-linked_ptr.h
+++ b/utils/unittest/googletest/include/gtest/internal/gtest-linked_ptr.h
@@ -176,6 +176,7 @@ class linked_ptr {
   // Sole ownership by this linked_ptr object is required.
   T* release() {
     bool last = link_.depart();
+    (void) last;
     assert(last);
     T* v = value_;
     value_ = NULL;