re PR c++/8164 (ICE when using different const expressions as template parameter)

	PR c++/8164
	* decl.c (duplicate_decls): Avoid mangling names unnecessarily.

	PR c++/8164
	* g++.dg/template/nontype2.C: New test.

	PR c++/10558
	* g++.dg/parse/template8.C: New test.

From-SVN: r69229

gcc/testsuite/ChangeLog

 2003-07-11  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/8164
+	* g++.dg/template/nontype2.C: New test.
+
 	PR c++/10558
 	* g++.dg/parse/template8.C: New test.
 

gcc/testsuite/g++.dg/template/nontype2.C

+template <bool> struct A {};
+ 
+template <bool> struct B
+{
+  void foo()
+  {
+    const int i=0;
+    typedef A< i<=1 > C;
+    typedef A< i<=2 > C;
+  }
+};