re PR c++/14616 (disjoint_set_test.cpp from boost does not compile (sizeof))

	PR c++/14616
	* decl.c (cp_finish_decl): Compute the size of arrays declared in
	templates, if their type is non-dependent.

	PR c++/14616
	* g++.dg/init/array13.C: New test.

From-SVN: r79788

gcc/cp/ChangeLog

+2004-03-21  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/14616
+	* decl.c (cp_finish_decl): Compute the size of arrays declared in
+	templates, if their type is non-dependent.
+
 2004-03-19  Mark Mitchell  <mark@codesourcery.com>
 
 	* call.c (build_op_delete_call): Do not forget the placement

gcc/cp/decl.c

@@ -4711,6 +4711,10 @@ cp_finish_decl (tree decl, tree init, tree asmspec_tree, int flags)
 
       if (init && DECL_INITIAL (decl))
 	DECL_INITIAL (decl) = init;
+      if (TREE_CODE (decl) == VAR_DECL
+	  && !DECL_PRETTY_FUNCTION_P (decl)
+	  && !dependent_type_p (TREE_TYPE (decl)))
+	maybe_deduce_size_from_array_init (decl, init);
       goto finish_end0;
     }
 

gcc/testsuite/ChangeLog

+2004-03-21  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/14616
+	* g++.dg/init/array13.C: New test.
+
 2004-03-20  Roger Sayle  <roger@eyesopen.com>
 
 	PR target/13889

gcc/testsuite/g++.dg/init/array13.C

+template <typename DisjointSet> 
+struct test_disjoint_set { 
+  static void do_test() 
+  { 
+    unsigned int elts[] 
+        = { 0, 1, 2, 3 }; 
+    const int N = sizeof(elts)/sizeof(*elts); 
+  } 
+};