re PR c++/6352 (GCC 3.1 inliner regression from March)

	PR c++/6352
	* toplev.c (rest_of_compilation): Do not defer functions for which
	TREE_SYMBOL_REFERENCED has already been set.

	* PR6352
	* g++.dg/opt/inline2.C: New test.

From-SVN: r52521

gcc/ChangeLog

+2002-04-19  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/6352
+	* toplev.c (rest_of_compilation): Do not defer functions for which
+	TREE_SYMBOL_REFERENCED has already been set.
+
 Fri Apr 19 15:53:03 CEST 2002  Jan Hubicka  <jh@suse.cz>
 
 	* i386.md (movsi_1, movhi_1): Force reload to use more flexible

gcc/testsuite/ChangeLog

+2002-04-19  Mark Mitchell  <mark@codesourcery.com>
+
+	* PR6352
+	* g++.dg/opt/inline2.C: New test.
+
 2002-04-18  Richard Henderson  <rth@redhat.com>
 
         * gcc.dg/20000906-1.c: Enable for all targets.

gcc/testsuite/g++.dg/opt/inline2.C

+// { dg-do link }
+// { dg-options "-O1 -finline-functions" }
+
+static void g ();
+
+void f()
+{
+  void g();
+  g();
+}
+
+void g()
+{
+}
+
+int main () {
+  f ();
+}

gcc/toplev.c

@@ -2374,6 +2374,7 @@ rest_of_compilation (decl)
       if (inlinable
 	  || (DECL_INLINE (decl)
 	      && ((! TREE_PUBLIC (decl) && ! TREE_ADDRESSABLE (decl)
+		   && ! TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))
 		   && ! flag_keep_inline_functions)
 		  || DECL_EXTERNAL (decl))))
 	DECL_DEFER_OUTPUT (decl) = 1;