diff --git a/mozilla/js/js2/icodegenerator.cpp b/mozilla/js/js2/icodegenerator.cpp
index d1e95dabe89..1728857080b 100644
--- a/mozilla/js/js2/icodegenerator.cpp
+++ b/mozilla/js/js2/icodegenerator.cpp
@@ -983,6 +983,8 @@ static bool generatedBoolean(ExprNode *p)
     case ExprNode::logicalXor:
     case ExprNode::logicalOr:
         return true;
+    default:
+        assert (0); /* quiet linux warnings */
     }
     return false;
 }
diff --git a/mozilla/js2/src/icodegenerator.cpp b/mozilla/js2/src/icodegenerator.cpp
index d1e95dabe89..1728857080b 100644
--- a/mozilla/js2/src/icodegenerator.cpp
+++ b/mozilla/js2/src/icodegenerator.cpp
@@ -983,6 +983,8 @@ static bool generatedBoolean(ExprNode *p)
     case ExprNode::logicalXor:
     case ExprNode::logicalOr:
         return true;
+    default:
+        assert (0); /* quiet linux warnings */
     }
     return false;
 }