re PR libstdc++/7222 (g++ 3.1: locale::operator ==() doesn`t work on std::locale("") locales)

2002-07-24  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/7222
	* src/locale.cc (locale::locale(const char*)): Use setlocale NULL.
	* testsuite/22_locale/ctor_copy_dtor.cc (test02): New.

From-SVN: r55736

libstdc++-v3/ChangeLog

 2002-07-24  Benjamin Kosnik  <bkoz@redhat.com>
 
+	PR libstdc++/7222
+	* src/locale.cc (locale::locale(const char*)): Use setlocale NULL.
+	* testsuite/22_locale/ctor_copy_dtor.cc (test02): New.
+	
+2002-07-24  Benjamin Kosnik  <bkoz@redhat.com>
+
 	PR libstdc++/7230
 	* config/linker-map.gnu: Revert strstream patch from 2002-07-01.
 	* include/Makefile.am (backward_headers): Use strstream, not

libstdc++-v3/src/locale.cc

@@ -202,7 +202,7 @@ namespace std
 	if (strcmp(__s, "C") == 0 || strcmp(__s, "POSIX") == 0)
 	  (_M_impl = _S_classic)->_M_add_reference();
 	else if (strcmp(__s, "") == 0)
-	  _M_impl = new _Impl(setlocale(LC_ALL, __s), 1);
+	  _M_impl = new _Impl(setlocale(LC_ALL, NULL), 1);
 	else
 	  _M_impl = new _Impl(__s, 1);
       }

libstdc++-v3/testsuite/22_locale/ctor_copy_dtor.cc

@@ -25,7 +25,6 @@
 #include <stdexcept>
 #include <testsuite_hooks.h>
 
-
 void test00()
 {
   // Should be able to do this as the first thing that happens in a
@@ -238,7 +237,21 @@ void test01()
 }
 #endif // _GLIBCPP_USE___ENC_TRAITS
 
-int main ()
+// libstdc++/7222
+void test02()
+{
+  bool test = true;
+  std::locale loc_c1("C");
+  std::locale loc_c2 ("C");
+  
+  std::locale loc_1("");
+  std::locale loc_2("");
+
+  VERIFY( loc_c1 == loc_c2 );
+  VERIFY( loc_1 == loc_2 );
+}
+
+int main()
 {
   test00();
 
@@ -246,5 +259,7 @@ int main ()
   test01();
 #endif 
 
+  test02();
+
   return 0;
 }