From: DJ Delorie <dj@redhat.com>
Date: Thu, 21 Jun 2001 17:55:00 +0000 (-0400)
Subject: * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
X-Git-Tag: prereleases/libstdc++-3.0.95~3675
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=024070cb34697faa48758f4096fa48def918f62e;p=thirdparty%2Fgcc.git

* integrate.c (mark_hard_reg_initial_vals): Check for NULL.

From-SVN: r43487
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f5f601be078c..fe47e2f639c5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2001-06-21  DJ Delorie  <dj@redhat.com>
 
+	* integrate.c (mark_hard_reg_initial_vals): Check for NULL.
+	
 	* integrate.c (ggc.h): Include.
 	(initial_value_pair, initial_value_struct,
 	setup_initial_hard_reg_value_integration): Add prototypes.
diff --git a/gcc/integrate.c b/gcc/integrate.c
index 7cc6002520cb..88b8c9f1f88a 100644
--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -2977,6 +2977,9 @@ mark_hard_reg_initial_vals (fun)
   struct initial_value_struct *ivs = fun->hard_reg_initial_vals;
   int i;
 
+  if (ivs == 0)
+    return;
+
   for (i = 0; i < ivs->num_entries; i ++)
     {
       ggc_mark_rtx (ivs->entries[i].hard_reg);