1 files changed, 16 insertions, 2 deletions
diff --git a/js/public/MemoryMetrics.h b/js/public/MemoryMetrics.h
index 9b5caa24b..b0b26631c 100644
--- a/js/public/MemoryMetrics.h
+++ b/js/public/MemoryMetrics.h
@@ -37,7 +37,13 @@ struct TabSizes
         Other
     };
 
-    TabSizes() { mozilla::PodZero(this); }
+    TabSizes()
+      : objects(0)
+      , strings(0)
+      , private_(0)
+      , other(0)
+    {
+    }
 
     void add(Kind kind, size_t n) {
         switch (kind) {
@@ -68,7 +74,15 @@ struct ServoSizes
         Ignore
     };
 
-    ServoSizes() { mozilla::PodZero(this); }
+    ServoSizes()
+      : gcHeapUsed(0)
+      , gcHeapUnused(0)
+      , gcHeapAdmin(0)
+      , gcHeapDecommitted(0)
+      , mallocHeap(0)
+      , nonHeap(0)
+    {
+    }
 
     void add(Kind kind, size_t n) {
         switch (kind) {