diff --git a/gnu/dist/toolchain/gcc/except.c b/gnu/dist/toolchain/gcc/except.c
index f7d78d687eff..a5ca66396734 100644
--- a/gnu/dist/toolchain/gcc/except.c
+++ b/gnu/dist/toolchain/gcc/except.c
@@ -617,7 +617,11 @@ rtx
 gen_exception_label ()
 {
   rtx lab;
+
+  push_obstacks_nochange ();
+  end_temporary_allocation ();
   lab = gen_label_rtx ();
+  pop_obstacks ();
   return lab;
 }
 
diff --git a/gnu/dist/toolchain/gcc/integrate.c b/gnu/dist/toolchain/gcc/integrate.c
index 33a96c40f918..f1d220a1c4b8 100644
--- a/gnu/dist/toolchain/gcc/integrate.c
+++ b/gnu/dist/toolchain/gcc/integrate.c
@@ -110,7 +110,12 @@ get_label_from_map (map, i)
   rtx x = map->label_map[i];
 
   if (x == NULL_RTX)
-    x = map->label_map[i] = gen_label_rtx();
+    {
+      push_obstacks_nochange ();
+      end_temporary_allocation ();
+      x = map->label_map[i] = gen_label_rtx();
+      pop_obstacks ();
+    }
 
   return x;
 }