merge from gcc

libiberty/ChangeLog

@@ -1,3 +1,8 @@
+2008-03-24  Doug Evans  <dje@google.com>
+
+	* make-relative-prefix.c (make_relative_prefix_1): Handle NULL
+	return from strdup.
+
 2008-03-12  Seongbae Park <seongbae.park@gmail.com>
 
 	* cplus-dem.c (malloc, realloc): Use void * instead of char *

libiberty/make-relative-prefix.c

@@ -292,14 +292,12 @@ make_relative_prefix_1 (const char *progname, const char *bin_prefix,
 	}
     }
 
-  if ( resolve_links )
-    {
-      full_progname = lrealpath (progname);
-      if (full_progname == NULL)
-	return NULL;
-    }
+  if (resolve_links)
+    full_progname = lrealpath (progname);
   else
-    full_progname = strdup(progname);
+    full_progname = strdup (progname);
+  if (full_progname == NULL)
+    return NULL;
 
   prog_dirs = split_directories (full_progname, &prog_num);
   free (full_progname);