Use frag_make_room() to grow the obstack.

1 files changed, 6 insertions, 0 deletions

diff --git a/gas/frags.c b/gas/frags.c
index 8d7ed2f58a..e80ccedd72 100644
--- a/gas/frags.c
+++ b/gas/frags.c
@@ -65,6 +65,12 @@ void
 frag_grow (nchars)
      unsigned int nchars;
 {
+  /* Try really hard to grow the obstack.  Creating a new obstack can
+     disable expression optimisations that would otherwise occur if
+     two symbols were located in the same obstack.  */
+  if (obstack_room (&frchain_now->frch_obstack) < nchars)
+    obstack_make_room (& frchain_now->frch_obstack, 2 * nchars);
+
   if (obstack_room (&frchain_now->frch_obstack) < nchars)
     {
       unsigned int n;