re PR c++/17775 (-frepo with function template in anonymous namespace fails to compile)

	PR c++/17775
	* repo.c: Include flags.h.
	(finish_repo): Add -frandom-seed to the arguments.
	PR c++/17775
	* g++.dg/template/repo4.C: New test.

From-SVN: r104898

gcc/cp/ChangeLog

+2005-10-03  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/17775
+	* repo.c: Include flags.h.
+	(finish_repo): Add -frandom-seed to the arguments.
+
 2005-10-02  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/22621

gcc/cp/repo.c

@@ -36,6 +36,7 @@ Boston, MA 02110-1301, USA.  */
 #include "obstack.h"
 #include "toplev.h"
 #include "diagnostic.h"
+#include "flags.h"
 
 static char *extract_string (char **);
 static const char *get_base_filename (const char *);
@@ -239,7 +240,16 @@ finish_repo (void)
   fprintf (repo_file, "D %s\n", dir);
   args = getenv ("COLLECT_GCC_OPTIONS");
   if (args)
-    fprintf (repo_file, "A %s\n", args);
+    {
+      fprintf (repo_file, "A %s", args);
+      /* If -frandom-seed is not among the ARGS, then add the value
+	 that we chose.  That will ensure that the names of types from
+	 anonymous namespaces will get the same mangling when this
+	 file is recompiled.  */
+      if (!strstr (args, "'-frandom-seed="))
+	fprintf (repo_file, " '-frandom-seed=%s'", flag_random_seed);
+      fprintf (repo_file, "\n");
+    }
 
   for (t = pending_repo; t; t = TREE_CHAIN (t))
     {

gcc/testsuite/ChangeLog

+2005-10-03  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/17775
+	* g++.dg/template/repo4.C: New test.
+
 2005-10-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 
 	PR libfortran/19308

gcc/testsuite/g++.dg/template/repo4.C

+// PR c++/17775
+// { dg-options "-frepo" }
+// { dg-final { cleanup-repo-files } }
+
+namespace { 
+  struct Foo {}; 
+} 
+ 
+template <typename Tp> 
+void foo(Tp) {} 
+ 
+int 
+main() 
+{ 
+  foo(Foo()); 
+}