From: David Malcolm <dmalcolm@redhat.com>
Date: Fri, 12 Feb 2016 18:37:35 +0000 (+0000)
Subject: PR driver/69779: fix bogus cleanup code used by libgccjit affecting s390x
X-Git-Tag: basepoints/gcc-7~974
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8dccd19b3be7d3b94c6d3e0cbc7674d12314e909;p=thirdparty%2Fgcc.git

PR driver/69779: fix bogus cleanup code used by libgccjit affecting s390x

gcc/ChangeLog:
	PR driver/69779
	* gcc.c (driver::finalize): Fix cleanup of "specs".

From-SVN: r233385
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 729034caff4b..e783da7aadf2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-02-12  David Malcolm  <dmalcolm@redhat.com>
+
+	PR driver/69779
+	* gcc.c (driver::finalize): Fix cleanup of "specs".
+
 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
 
 	PR driver/69265
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 99fa5e386a5a..eaa465322701 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -9954,8 +9954,20 @@ driver::finalize ()
   multilib_os_dir = 0;
   multiarch_dir = 0;
 
-  XDELETEVEC (specs);
-  specs = 0;
+  /* Free any specs dynamically-allocated by set_spec.
+     These will be at the head of the list, before the
+     statically-allocated ones.  */
+  if (specs)
+    {
+      while (specs != static_specs)
+	{
+	  spec_list *next = specs->next;
+	  free (const_cast <char *> (specs->name));
+	  XDELETE (specs);
+	  specs = next;
+	}
+      specs = 0;
+    }
   for (unsigned i = 0; i < ARRAY_SIZE (static_specs); i++)
     {
       spec_list *sl = &static_specs[i];