re PR libstdc++/52191 (abi_check should flag additions to released versions)

2012-02-21  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/52191
	* testsuite/util/testsuite_abi.cc (compare_symbols): Check new
	symbols added into the latest version. Mark tls entities as
	undesignated.

From-SVN: r184639

libstdc++-v3/ChangeLog

+2012-02-21  Benjamin Kosnik  <bkoz@redhat.com>
+
+	PR libstdc++/52191
+	* testsuite/util/testsuite_abi.cc (compare_symbols): Check new
+	symbols added into the latest version. Mark tls entities as
+	undesignated.
+
 2012-02-28  Jakub Jelinek  <jakub@redhat.com>
 
 	PR bootstrap/52414
@@ -37,7 +44,8 @@
 2012-02-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	PR testsuite/52201
-	* testsuite/29_atomics/atomic/operators/pointer_partial_void.cc: Require	atomic builtins.
+	* testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
+	Require	atomic builtins.
 	* testsuite/29_atomics/atomic/operators/51811.cc: Likewise.
 
 2012-02-23  Jason Merrill  <jason@redhat.com>
@@ -88,7 +96,7 @@
 	* testsuite/26_numerics/random/
 	geometric_distribution/requirements/typedefs.cc: Ditto.
 
-2012-02-17  Benjamin Kosnik  <bkoz@redhat.com>
+2012-02-21  Benjamin Kosnik  <bkoz@redhat.com>
 
 	PR libstdc++/50349
 	* config/abi/pre/gnu.ver: Only one local.

libstdc++-v3/testsuite/util/testsuite_abi.cc

 // -*- C++ -*-
 
-// Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+// Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
 // Free Software Foundation, Inc.
 
 // This library is free software; you can redistribute it and/or
@@ -203,10 +203,10 @@ check_version(symbol& test, bool added)
       known_versions.push_back("CXXABI_1.3.2");
       known_versions.push_back("CXXABI_1.3.3");
       known_versions.push_back("CXXABI_1.3.4");
-      known_versions.push_back("CXXABI_TM_1");
       known_versions.push_back("CXXABI_1.3.5");
       known_versions.push_back("CXXABI_1.3.6");
       known_versions.push_back("CXXABI_LDBL_1.3");
+      known_versions.push_back("CXXABI_TM_1");
     }
   compat_list::iterator begin = known_versions.begin();
   compat_list::iterator end = known_versions.end();
@@ -221,12 +221,11 @@ check_version(symbol& test, bool added)
       else
 	test.version_status = symbol::incompatible;
 
-      // Check that added symbols aren't added in the base versions.
-      if (added
-	  && (test.version_name == known_versions[0]
-	      || test.version_name == "CXXABI_1.3"
-	      || test.version_name == "GLIBCXX_LDBL_3.4"
-	      || test.version_name == "CXXABI_LDBL_1.3"))
+      // Check that added symbols are added in the latest pre-release version.
+      bool latestp = (test.version_name == "GLIBCXX_3.4.17"
+		     || test.version_name == "CXXABI_1.3.6"
+		     || test.version_name == "CXXABI_TM_1");
+      if (added && !latestp)
 	test.version_status = symbol::incompatible;
 
       // Check that long double compatibility symbols demangled as
@@ -416,6 +415,9 @@ compare_symbols(const char* baseline_file, const char* test_file,
   typedef pair<symbol, symbol> symbol_pair;
   vector<symbol_pair> incompatible;
 
+  // Fill out list of undesignated symbols.
+  vector<symbol> undesignated;
+
   // Check missing names for compatibility.
   for (size_t j = 0; j < missing_names.size(); ++j)
     {
@@ -440,10 +442,40 @@ compare_symbols(const char* baseline_file, const char* test_file,
   for (size_t l = 0; l < added_size; ++l)
     {
       symbol& stest = test[added_names[l]];
+
+      // Mark TLS as undesignated, remove from added.
+      if (stest.type == symbol::tls)
+	{
+	  stest.status = symbol::undesignated;
+	  if (!check_version(stest, false))
+	    incompatible.push_back(symbol_pair(stest, stest));
+	  else
+	    undesignated.push_back(stest);
+	}
+      else
+	{
 	  stest.status = symbol::added;
 	  if (!check_version(stest, true))
 	    incompatible.push_back(symbol_pair(stest, stest));
 	}
+    }
+
+  // Normalize added names and undesignated names.
+  const size_t undesignated_size = undesignated.size();
+  for (size_t l = 0; l < undesignated_size; ++l)
+    {
+      symbol& sundes = undesignated[l];
+      symbol_names::iterator end = added_names.end();
+      symbol_names::iterator it = find(added_names.begin(), end, sundes.name);
+       if (it != end)
+	{
+	  // Found.
+	  added_names.erase(it);
+	}
+       else
+	 __throw_runtime_error(sundes.name.c_str());
+    }
+
 
   // Report results.
   if (verbose && added_names.size())
@@ -466,6 +498,20 @@ compare_symbols(const char* baseline_file, const char* test_file,
 	}
     }
 
+  if (verbose && undesignated.size())
+    {
+      cout << endl << undesignated.size() << " undesignated symbols " << endl;
+      for (size_t j = 0; j < undesignated.size() ; ++j)
+	{
+	  // First, print index.
+	  cout << j << endl;
+
+	  // Second, report name.
+	  symbol& s = undesignated[j];
+	  s.print();
+	}
+    }
+
   if (verbose && incompatible.size())
     {
       cout << endl << incompatible.size() << " incompatible symbols " << endl;
@@ -479,7 +525,7 @@ compare_symbols(const char* baseline_file, const char* test_file,
 	  symbol& stest = incompatible[j].second;
 	  stest.print();
 
-	  // Second, report reason or reasons incompatible.
+	  // Third, report reason or reasons incompatible.
 	  check_compatible(sbase, stest, true);
 	}
     }
@@ -488,6 +534,7 @@ compare_symbols(const char* baseline_file, const char* test_file,
   cout << endl;
   cout << "# of added symbols:\t\t " << added_names.size() << endl;
   cout << "# of missing symbols:\t\t " << missing_names.size() << endl;
+  cout << "# of undesignated symbols:\t " << undesignated.size() << endl;
   cout << "# of incompatible symbols:\t " << incompatible.size() << endl;
   cout << endl;
   cout << "using: " << baseline_file << endl;
@@ -563,4 +610,3 @@ demangle(const std::string& mangled)
     }
   return name;
 }
-