PR libstdc++/81092 add std::wstring symbols and bump library version

	PR libstdc++/81092
	* acinclude.m4: Bump libtool_VERSION.
	* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
	* config/abi/pre/gnu.ver: Add wstring constructor symbols to
	GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
	to new GLIBCXX_3.4.25 version.
	* doc/xml/manual/abi.xml: Document new versions.
	* doc/html/*: Regenerate.
	* testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
	constructors to ensure required symbols are exported.
	* testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
	* testsuite/util/testsuite_abi.cc: Add new version.

From-SVN: r249246

libstdc++-v3/ChangeLog

 2017-06-16  Jonathan Wakely  <jwakely@redhat.com>
 
+	PR libstdc++/81092
+	* acinclude.m4: Bump libtool_VERSION.
+	* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
+	* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
+	* config/abi/pre/gnu.ver: Add wstring constructor symbols to
+	GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
+	to new GLIBCXX_3.4.25 version.
+	* doc/xml/manual/abi.xml: Document new versions.
+	* doc/html/*: Regenerate.
+	* testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
+	constructors to ensure required symbols are exported.
+	* testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
+	* testsuite/util/testsuite_abi.cc: Add new version.
+
 	* include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing
 	return statement.
 	* testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:

libstdc++-v3/acinclude.m4

@@ -3750,7 +3750,7 @@ changequote([,])dnl
 fi
 
 # For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:24:0
+libtool_VERSION=6:25:0
 
 # Everything parsed; figure out what files and settings to use.
 case $enable_symvers in

libstdc++-v3/config/abi/post/i386-linux-gnu/baseline_symbols.txt

@@ -444,6 +444,7 @@ FUNC:_ZNKSt13basic_fstreamIwSt11char_traitsIwEE7is_openEv@GLIBCXX_3.4
 FUNC:_ZNKSt13basic_istreamIwSt11char_traitsIwEE6gcountEv@@GLIBCXX_3.4
 FUNC:_ZNKSt13basic_istreamIwSt11char_traitsIwEE6sentrycvbEv@@GLIBCXX_3.4
 FUNC:_ZNKSt13basic_ostreamIwSt11char_traitsIwEE6sentrycvbEv@@GLIBCXX_3.4
+FUNC:_ZNKSt13random_device13_M_getentropyEv@@GLIBCXX_3.4.25
 FUNC:_ZNKSt13runtime_error4whatEv@@GLIBCXX_3.4
 FUNC:_ZNKSt14basic_ifstreamIcSt11char_traitsIcEE5rdbufEv@@GLIBCXX_3.4
 FUNC:_ZNKSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv@@GLIBCXX_3.4.5
@@ -1329,6 +1330,7 @@ FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1EPKwRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1EPKwjRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS2_@@GLIBCXX_3.4
+FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS2_jRKS1_@@GLIBCXX_3.4.24
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS2_jj@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS2_jjRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ESt16initializer_listIwERKS1_@@GLIBCXX_3.4.11
@@ -1342,6 +1344,7 @@ FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2EPKwRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2EPKwjRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS2_@@GLIBCXX_3.4
+FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS2_jRKS1_@@GLIBCXX_3.4.24
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS2_jj@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS2_jjRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ESt16initializer_listIwERKS1_@@GLIBCXX_3.4.11
@@ -4002,6 +4005,8 @@ OBJECT:0:GLIBCXX_3.4.20
 OBJECT:0:GLIBCXX_3.4.21
 OBJECT:0:GLIBCXX_3.4.22
 OBJECT:0:GLIBCXX_3.4.23
+OBJECT:0:GLIBCXX_3.4.24
+OBJECT:0:GLIBCXX_3.4.25
 OBJECT:0:GLIBCXX_3.4.3
 OBJECT:0:GLIBCXX_3.4.4
 OBJECT:0:GLIBCXX_3.4.5

libstdc++-v3/config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt

@@ -444,6 +444,7 @@ FUNC:_ZNKSt13basic_fstreamIwSt11char_traitsIwEE7is_openEv@GLIBCXX_3.4
 FUNC:_ZNKSt13basic_istreamIwSt11char_traitsIwEE6gcountEv@@GLIBCXX_3.4
 FUNC:_ZNKSt13basic_istreamIwSt11char_traitsIwEE6sentrycvbEv@@GLIBCXX_3.4
 FUNC:_ZNKSt13basic_ostreamIwSt11char_traitsIwEE6sentrycvbEv@@GLIBCXX_3.4
+FUNC:_ZNKSt13random_device13_M_getentropyEv@@GLIBCXX_3.4.25
 FUNC:_ZNKSt13runtime_error4whatEv@@GLIBCXX_3.4
 FUNC:_ZNKSt14basic_ifstreamIcSt11char_traitsIcEE5rdbufEv@@GLIBCXX_3.4
 FUNC:_ZNKSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv@@GLIBCXX_3.4.5
@@ -1329,6 +1330,7 @@ FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1EPKwRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1EPKwjRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS2_@@GLIBCXX_3.4
+FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS2_jRKS1_@@GLIBCXX_3.4.24
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS2_jj@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ERKS2_jjRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC1ESt16initializer_listIwERKS1_@@GLIBCXX_3.4.11
@@ -1342,6 +1344,7 @@ FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2EPKwRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2EPKwjRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS2_@@GLIBCXX_3.4
+FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS2_jRKS1_@@GLIBCXX_3.4.24
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS2_jj@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ERKS2_jjRKS1_@@GLIBCXX_3.4
 FUNC:_ZNSbIwSt11char_traitsIwESaIwEEC2ESt16initializer_listIwERKS1_@@GLIBCXX_3.4.11
@@ -4002,6 +4005,8 @@ OBJECT:0:GLIBCXX_3.4.20
 OBJECT:0:GLIBCXX_3.4.21
 OBJECT:0:GLIBCXX_3.4.22
 OBJECT:0:GLIBCXX_3.4.23
+OBJECT:0:GLIBCXX_3.4.24
+OBJECT:0:GLIBCXX_3.4.25
 OBJECT:0:GLIBCXX_3.4.3
 OBJECT:0:GLIBCXX_3.4.4
 OBJECT:0:GLIBCXX_3.4.5

libstdc++-v3/config/abi/pre/gnu.ver

@@ -1953,6 +1953,7 @@ GLIBCXX_3.4.23 {
     # basic_string<C, T, A>::basic_string(const basic_string&, size_type, const A&)
     _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ERKS4_[jmy]RKS3_;
     _ZNSsC[12]ERKSs[jmy]RKSaIcE;
+    # This should have been _[jmy]RKS1_ not _mRKS1_ (PR libstdc++/81092):
     _ZNSbIwSt11char_traitsIwESaIwEEC[12]ERKS2_mRKS1_;
 
 #ifndef HAVE_EXCEPTION_PTR_SINCE_GCC46
@@ -1969,10 +1970,17 @@ GLIBCXX_3.4.23 {
 
 GLIBCXX_3.4.24 {
 
+    # These should have been in GLIBCXX_3.4.23 (PR libstdc++/81092):
+    _ZNSbIwSt11char_traitsIwESaIwEEC[12]ERKS2_[jy]RKS1_;
+
+} GLIBCXX_3.4.23;
+
+GLIBCXX_3.4.25 {
+
     # std::random_device::_M_getentropy() const
     _ZNKSt13random_device13_M_getentropyEv;
 
-} GLIBCXX_3.4.23;
+} GLIBCXX_3.4.24;
 
 # Symbols in the support library (libsupc++) have their own tag.
 CXXABI_1.3 {

libstdc++-v3/doc/html/manual/bugs.html

@@ -504,4 +504,18 @@
        </em></span>
     </span></dt><dd><p>Remove special handling for <code class="code">reference_wrapper</code>
       arguments and store them directly as the target object.
+    </p></dd><dt><span class="term"><a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2802" target="_top">2802</a>:
+       <span class="emphasis"><em>Add noexcept to several <code class="code">shared_ptr</code> related
+         functions
+       </em></span>
+    </span></dt><dd><p>Add noexcept.
+    </p></dd><dt><span class="term"><a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2873" target="_top">2873</a>:
+       <span class="emphasis"><em><code class="code">shared_ptr</code> constructor requirements for a deleter
+       </em></span>
+    </span></dt><dd><p>Use rvalues for deleters.
+    </p></dd><dt><span class="term"><a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2942" target="_top">2942</a>:
+       <span class="emphasis"><em>LWG 2873's resolution missed
+         <code class="code">weak_ptr::owner_before</code>
+       </em></span>
+    </span></dt><dd><p>Add noexcept.
     </p></dd></dl></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="license.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="status.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="setup.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">License </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 2. Setup</td></tr></table></div></body></html>
\ No newline at end of file

libstdc++-v3/doc/html/manual/status.html

@@ -264,6 +264,10 @@ particular release.
       <code class="classname">u32streampos</code> are both synonyms for
       <code class="classname">fpos&lt;mbstate_t&gt;</code>.
       The function <code class="function">eof</code> returns <code class="code">int_type(-1)</code>.
+      <code class="function">char_traits&lt;char16_t&gt;::to_int_type</code> will
+      transform the "noncharacter" U+FFFF to U+FFFD (REPLACEMENT CHARACTER).
+      This is done to ensure that <code class="function">to_int_type</code> never
+      returns the same value as <code class="function">eof</code>, which is U+FFFF.
    </p><p>
       <span class="emphasis"><em>22.3.1 [locale]</em></span>
       There is one global locale for the whole program, not per-thread.
@@ -684,11 +688,11 @@ Feature-testing recommendations for C++</a>.
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0505r0.html" target="_top">
 	P0505R0
 	</a>
-      </td><td align="center"> 7 </td><td align="left"><code class="code"> ??? </code></td></tr><tr bgcolor="#B0B0B0"><td align="left"> Constexpr for <code class="code">std::char_traits</code> </td><td align="left">
+      </td><td align="center"> 7 </td><td align="left"><code class="code"> ??? </code></td></tr><tr><td align="left"> Constexpr for <code class="code">std::char_traits</code> </td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0426r1.html" target="_top">
 	P0426R1
 	</a>
-      </td><td align="center"> 7 (partial) </td><td align="left"><code class="code"> ??? </code></td></tr><tr><td align="left"> Integrating <code class="code">std::string_view</code> and <code class="code">std::string</code> </td><td align="left">
+      </td><td align="center"> 8 </td><td align="left"><code class="code"> __cpp_lib_constexpr_char_traits &gt;= 201611 </code></td></tr><tr><td align="left"> Integrating <code class="code">std::string_view</code> and <code class="code">std::string</code> </td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0254r2.pdf" target="_top">
 	P0254R2
 	</a>

libstdc++-v3/doc/xml/manual/abi.xml

@@ -266,7 +266,8 @@ compatible.
     <listitem><para>GCC 5.1.0: libstdc++.so.6.0.21</para></listitem>
     <listitem><para>GCC 6.1.0: libstdc++.so.6.0.22</para></listitem>
     <listitem><para>GCC 7.1.0: libstdc++.so.6.0.23</para></listitem>
-    <listitem><para>GCC 8.0.0: libstdc++.so.6.0.24</para></listitem>
+    <listitem><para>GCC 7.2.0: libstdc++.so.6.0.24</para></listitem>
+    <listitem><para>GCC 8.0.0: libstdc++.so.6.0.25</para></listitem>
     </itemizedlist>
     <para>
       Note 1: Error should be libstdc++.so.3.0.3.
@@ -335,7 +336,8 @@ compatible.
     <listitem><para>GCC 5.1.0: GLIBCXX_3.4.21, CXXABI_1.3.9</para></listitem>
     <listitem><para>GCC 6.1.0: GLIBCXX_3.4.22, CXXABI_1.3.10</para></listitem>
     <listitem><para>GCC 7.1.0: GLIBCXX_3.4.23, CXXABI_1.3.11</para></listitem>
-    <listitem><para>GCC 8.0.0: GLIBCXX_3.4.24, CXXABI_1.3.11</para></listitem>
+    <listitem><para>GCC 7.2.0: GLIBCXX_3.4.24, CXXABI_1.3.11</para></listitem>
+    <listitem><para>GCC 8.0.0: GLIBCXX_3.4.25, CXXABI_1.3.11</para></listitem>
     </itemizedlist>
     </listitem>
 

libstdc++-v3/testsuite/21_strings/basic_string/cons/char/8.cc

@@ -15,16 +15,31 @@
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
+// { dg-options "-O0" }
 // { dg-do run { target c++11 } }
 
 #include <string>
 #include <testsuite_hooks.h>
 
+struct TestBaseObjCtor : std::string
+{
+  template<typename... Args>
+    TestBaseObjCtor(Args&&... args)
+    : std::string(std::forward<Args>(args)...)
+    { }
+};
+
 template<typename... Args>
 std::size_t
 construct(Args&&... args)
 {
-  return std::string( std::forward<Args>(args)... ).length();
+  // Use static_cast<Args> to produce either an lvalue or prvalue,
+  // so args... not left in moved-from state and can be reused below:
+  TestBaseObjCtor as_base_obj( static_cast<Args>(args)... );
+
+  std::string as_complete_obj( std::forward<Args>(args)... );
+
+  return as_complete_obj.length();
 }
 
 void

libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/8.cc

@@ -15,16 +15,31 @@
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
+// { dg-options "-O0" }
 // { dg-do run { target c++11 } }
 
 #include <string>
 #include <testsuite_hooks.h>
 
+struct TestBaseObjCtor : std::wstring
+{
+  template<typename... Args>
+    TestBaseObjCtor(Args&&... args)
+    : std::wstring(std::forward<Args>(args)...)
+    { }
+};
+
 template<typename... Args>
 std::size_t
 construct(Args&&... args)
 {
-  return std::wstring( std::forward<Args>(args)... ).length();
+  // Use static_cast<Args> to produce either an lvalue or prvalue,
+  // so args... not left in moved-from state and can be reused below:
+  TestBaseObjCtor as_base_obj( static_cast<Args>(args)... );
+
+  std::wstring as_complete_obj( std::forward<Args>(args)... );
+
+  return as_complete_obj.length();
 }
 
 void

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

@@ -205,6 +205,7 @@ check_version(symbol& test, bool added)
       known_versions.push_back("GLIBCXX_3.4.22");
       known_versions.push_back("GLIBCXX_3.4.23");
       known_versions.push_back("GLIBCXX_3.4.24");
+      known_versions.push_back("GLIBCXX_3.4.25");
       known_versions.push_back("CXXABI_1.3");
       known_versions.push_back("CXXABI_LDBL_1.3");
       known_versions.push_back("CXXABI_1.3.1");
@@ -235,7 +236,7 @@ check_version(symbol& test, bool added)
 	test.version_status = symbol::incompatible;
 
       // Check that added symbols are added in the latest pre-release version.
-      bool latestp = (test.version_name == "GLIBCXX_3.4.24"
+      bool latestp = (test.version_name == "GLIBCXX_3.4.25"
 		     || test.version_name == "CXXABI_1.3.11"
 		     || test.version_name == "CXXABI_FLOAT128"
 		     || test.version_name == "CXXABI_TM_1");