PR libstdc++/91067 add more missing exports for directory iterators

	PR libstdc++/91067
	* acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
	* configure: Regenerate.
	* config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
	missing symbols.
	* testsuite/27_io/filesystem/iterators/91067.cc: Test move
	constructors.
	* testsuite/util/testsuite_abi.cc: Add new symbol version.

From-SVN: r275032

libstdc++-v3/ChangeLog

+2019-08-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/91067
+	* acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
+	* configure: Regenerate.
+	* config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
+	missing symbols.
+	* testsuite/27_io/filesystem/iterators/91067.cc: Test move
+	constructors.
+	* testsuite/util/testsuite_abi.cc: Add new symbol version.
+
 2019-08-29  Jakub Jelinek  <jakub@redhat.com
 
 	* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.

libstdc++-v3/acinclude.m4

@@ -3832,7 +3832,7 @@ changequote([,])dnl
 fi
 
 # For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:27:0
+libtool_VERSION=6:28:0
 
 # Everything parsed; figure out what files and settings to use.
 case $enable_symvers in

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

@@ -2268,11 +2268,11 @@ GLIBCXX_3.4.26 {
 
 GLIBCXX_3.4.27 {
 
-    # __shared_ptr<_Dir>::__shared_ptr()
+    # __shared_ptr<_Dir>::__shared_ptr() (base object ctor)
     _ZNSt12__shared_ptrINSt10filesystem4_DirELN9__gnu_cxx12_Lock_policyE[012]EEC2Ev;
     _ZNSt12__shared_ptrINSt10filesystem7__cxx114_DirELN9__gnu_cxx12_Lock_policyE[012]EEC2Ev;
 
-    # __shared_ptr<recursive_directory_iterator::_Dir_stack>::__shared_ptr()
+    # __shared_ptr<recursive_directory_iterator::_Dir_stack>::__shared_ptr() (base object ctor)
     _ZNSt12__shared_ptrINSt10filesystem28recursive_directory_iterator10_Dir_stackELN9__gnu_cxx12_Lock_policyE[012]EEC2Ev;
     _ZNSt12__shared_ptrINSt10filesystem7__cxx1128recursive_directory_iterator10_Dir_stackELN9__gnu_cxx12_Lock_policyE[012]EEC2Ev;
 
@@ -2282,6 +2282,18 @@ GLIBCXX_3.4.27 {
 
 } GLIBCXX_3.4.26;
 
+GLIBCXX_3.4.28 {
+
+    # __shared_ptr<_Dir>::__shared_ptr(__shared_ptr&&) (base object ctor)
+    _ZNSt12__shared_ptrINSt10filesystem4_DirELN9__gnu_cxx12_Lock_policyE[012]EEC2EOS4_;
+    _ZNSt12__shared_ptrINSt10filesystem7__cxx114_DirELN9__gnu_cxx12_Lock_policyE[012]EEC2EOS5_;
+
+    # __shared_ptr<recursive_directory_iterator::_Dir_stack>::__shared_ptr(__shared_ptr&&) (base object ctor)
+    _ZNSt12__shared_ptrINSt10filesystem28recursive_directory_iterator10_Dir_stackELN9__gnu_cxx12_Lock_policyE[012]EEC2EOS5_;
+    _ZNSt12__shared_ptrINSt10filesystem7__cxx1128recursive_directory_iterator10_Dir_stackELN9__gnu_cxx12_Lock_policyE[012]EEC2EOS6_;
+
+} GLIBCXX_3.4.27;
+
 # Symbols in the support library (libsupc++) have their own tag.
 CXXABI_1.3 {
 

libstdc++-v3/configure

@@ -79482,7 +79482,7 @@ $as_echo "$as_me: WARNING: === Symbol versioning will be disabled." >&2;}
 fi
 
 # For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:27:0
+libtool_VERSION=6:28:0
 
 # Everything parsed; figure out what files and settings to use.
 case $enable_symvers in

libstdc++-v3/testsuite/27_io/filesystem/iterators/91067.cc

@@ -37,9 +37,25 @@ test02()
   d = std::move(d);
 }
 
+void
+test03()
+{
+  std::filesystem::directory_iterator d;
+  auto d2 = std::move(d);
+}
+
+void
+test04()
+{
+  std::filesystem::recursive_directory_iterator d;
+  auto d2 = std::move(d);
+}
+
 int
 main()
 {
   test01();
   test02();
+  test03();
+  test04();
 }

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

@@ -208,6 +208,7 @@ check_version(symbol& test, bool added)
       known_versions.push_back("GLIBCXX_3.4.25");
       known_versions.push_back("GLIBCXX_3.4.26");
       known_versions.push_back("GLIBCXX_3.4.27");
+      known_versions.push_back("GLIBCXX_3.4.28");
       known_versions.push_back("CXXABI_1.3");
       known_versions.push_back("CXXABI_LDBL_1.3");
       known_versions.push_back("CXXABI_1.3.1");
@@ -239,7 +240,7 @@ 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_3.4.27"
+      bool latestp = (test.version_name == "GLIBCXX_3.4.28"
 		     || test.version_name == "CXXABI_1.3.12"
 		     || test.version_name == "CXXABI_FLOAT128"
 		     || test.version_name == "CXXABI_TM_1");