re PR c++/12795 (ICE with attribute __alias__)

	PR c++/12795
	* name-lookup.c (pushdecl): Do not treated any functions as being
	"nested" in C++.

	PR c++/12795
	* g++.dg/ext/attrib10.C: New test.

From-SVN: r74849

gcc/cp/ChangeLog

+2003-12-19  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/12795
+	* name-lookup.c (pushdecl): Do not treated any functions as being
+	"nested" in C++.
+
 2003-12-19  Jason Merrill  <jason@redhat.com>
 
 	PR c++/13371

gcc/cp/name-lookup.c

@@ -562,7 +562,7 @@ pushdecl (tree x)
       if (current_function_decl && x != current_function_decl
 	  /* A local declaration for a function doesn't constitute
              nesting.  */
-	  && !(TREE_CODE (x) == FUNCTION_DECL && !DECL_INITIAL (x))
+	  && TREE_CODE (x) != FUNCTION_DECL
 	  /* A local declaration for an `extern' variable is in the
 	     scope of the current namespace, not the current
 	     function.  */

gcc/testsuite/ChangeLog

+2003-12-19  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/12795
+	* g++.dg/ext/attrib10.C: New test.
+
 2003-12-19  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.dg/cleanup-10.c: New test.

gcc/testsuite/g++.dg/ext/attrib10.C

+// PR c++/12795
+
+void foo()
+{
+  extern void bar () __attribute__ ((__alias__ ("BAR")));
+  bar ();
+}