diff --git a/libstdc++-v3/config/abi/post/powerpc-linux-gnu/baseline_symbols.txt b/libstdc++-v3/config/abi/post/powerpc-linux-gnu/baseline_symbols.txt
index 742df2f20d..79bee650a2 100644
--- a/libstdc++-v3/config/abi/post/powerpc-linux-gnu/baseline_symbols.txt
+++ b/libstdc++-v3/config/abi/post/powerpc-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_3.4.24
 FUNC:_ZNKSt13runtime_error4whatEv@@GLIBCXX_3.4
 FUNC:_ZNKSt14basic_ifstreamIcSt11char_traitsIcEE5rdbufEv@@GLIBCXX_3.4
 FUNC:_ZNKSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv@@GLIBCXX_3.4.5
@@ -1726,6 +1727,7 @@ FUNC:_ZNSsC1EPKcRKSaIcE@@GLIBCXX_3.4
 FUNC:_ZNSsC1EPKcjRKSaIcE@@GLIBCXX_3.4
 FUNC:_ZNSsC1ERKSaIcE@@GLIBCXX_3.4
 FUNC:_ZNSsC1ERKSs@@GLIBCXX_3.4
+FUNC:_ZNSsC1ERKSsjRKSaIcE@@GLIBCXX_3.4.23
 FUNC:_ZNSsC1ERKSsjj@@GLIBCXX_3.4
 FUNC:_ZNSsC1ERKSsjjRKSaIcE@@GLIBCXX_3.4
 FUNC:_ZNSsC1ESt16initializer_listIcERKSaIcE@@GLIBCXX_3.4.11
@@ -1739,6 +1741,7 @@ FUNC:_ZNSsC2EPKcRKSaIcE@@GLIBCXX_3.4
 FUNC:_ZNSsC2EPKcjRKSaIcE@@GLIBCXX_3.4
 FUNC:_ZNSsC2ERKSaIcE@@GLIBCXX_3.4
 FUNC:_ZNSsC2ERKSs@@GLIBCXX_3.4
+FUNC:_ZNSsC2ERKSsjRKSaIcE@@GLIBCXX_3.4.23
 FUNC:_ZNSsC2ERKSsjj@@GLIBCXX_3.4
 FUNC:_ZNSsC2ERKSsjjRKSaIcE@@GLIBCXX_3.4
 FUNC:_ZNSsC2ESt16initializer_listIcERKSaIcE@@GLIBCXX_3.4.11
@@ -2382,6 +2385,7 @@ FUNC:_ZNSt15_List_node_base8transferEPS_S0_@@GLIBCXX_3.4
 FUNC:_ZNSt15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
 FUNC:_ZNSt15__exception_ptr13exception_ptr4swapERS0_@@CXXABI_1.3.3
 FUNC:_ZNSt15__exception_ptr13exception_ptrC1EMS0_FvvE@@CXXABI_1.3.3
+FUNC:_ZNSt15__exception_ptr13exception_ptrC1EPv@@CXXABI_1.3.11
 FUNC:_ZNSt15__exception_ptr13exception_ptrC1ERKS0_@@CXXABI_1.3.3
 FUNC:_ZNSt15__exception_ptr13exception_ptrC1Ev@@CXXABI_1.3.3
 FUNC:_ZNSt15__exception_ptr13exception_ptrC2EMS0_FvvE@@CXXABI_1.3.3
@@ -2967,7 +2971,9 @@ FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE10_M_disposeEv@@GLIBCX
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE10_M_replaceEjjPKcj@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE10_S_compareEjj@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE11_M_capacityEj@@GLIBCXX_3.4.21
+FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderC1EPcOS3_@@GLIBCXX_3.4.23
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderC1EPcRKS3_@@GLIBCXX_3.4.21
+FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderC2EPcOS3_@@GLIBCXX_3.4.23
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderC2EPcRKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructEjc@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIN9__gnu_cxx17__normal_iteratorIPKcS4_EEEEvT_SB_St20forward_iterator_tag@@GLIBCXX_3.4.21
@@ -3066,6 +3072,7 @@ FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1EPKcjRKS3_@@GLIBCXX_
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1ERKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1ERKS4_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1ERKS4_RKS3_@@GLIBCXX_3.4.21
+FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1ERKS4_jRKS3_@@GLIBCXX_3.4.23
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1ERKS4_jj@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1ERKS4_jjRKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1ESt16initializer_listIcERKS3_@@GLIBCXX_3.4.21
@@ -3081,6 +3088,7 @@ FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2EPKcjRKS3_@@GLIBCXX_
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_RKS3_@@GLIBCXX_3.4.21
+FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_jRKS3_@@GLIBCXX_3.4.23
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_jj@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_jjRKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ESt16initializer_listIcERKS3_@@GLIBCXX_3.4.21
@@ -3106,7 +3114,9 @@ FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE10_M_disposeEv@@GLIBCX
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE10_M_replaceEjjPKwj@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE10_S_compareEjj@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE11_M_capacityEj@@GLIBCXX_3.4.21
+FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE12_Alloc_hiderC1EPwOS3_@@GLIBCXX_3.4.23
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE12_Alloc_hiderC1EPwRKS3_@@GLIBCXX_3.4.21
+FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE12_Alloc_hiderC2EPwOS3_@@GLIBCXX_3.4.23
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE12_Alloc_hiderC2EPwRKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE12_M_constructEjw@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEE12_M_constructIN9__gnu_cxx17__normal_iteratorIPKwS4_EEEEvT_SB_St20forward_iterator_tag@@GLIBCXX_3.4.21
@@ -3205,6 +3215,7 @@ FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC1EPKwjRKS3_@@GLIBCXX_
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC1ERKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC1ERKS4_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC1ERKS4_RKS3_@@GLIBCXX_3.4.21
+FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC1ERKS4_jRKS3_@@GLIBCXX_3.4.23
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC1ERKS4_jj@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC1ERKS4_jjRKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC1ESt16initializer_listIwERKS3_@@GLIBCXX_3.4.21
@@ -3220,6 +3231,7 @@ FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC2EPKwjRKS3_@@GLIBCXX_
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC2ERKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC2ERKS4_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC2ERKS4_RKS3_@@GLIBCXX_3.4.21
+FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC2ERKS4_jRKS3_@@GLIBCXX_3.4.23
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC2ERKS4_jj@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC2ERKS4_jjRKS3_@@GLIBCXX_3.4.21
 FUNC:_ZNSt7__cxx1112basic_stringIwSt11char_traitsIwESaIwEEC2ESt16initializer_listIwERKS3_@@GLIBCXX_3.4.21
@@ -4110,14 +4122,24 @@ FUNC:_ZTv0_n12_NSt9strstreamD0Ev@@GLIBCXX_3.4
 FUNC:_ZTv0_n12_NSt9strstreamD1Ev@@GLIBCXX_3.4
 FUNC:_ZdaPv@@GLIBCXX_3.4
 FUNC:_ZdaPvRKSt9nothrow_t@@GLIBCXX_3.4
+FUNC:_ZdaPvSt11align_val_t@@CXXABI_1.3.11
+FUNC:_ZdaPvSt11align_val_tRKSt9nothrow_t@@CXXABI_1.3.11
 FUNC:_ZdaPvj@@CXXABI_1.3.9
+FUNC:_ZdaPvjSt11align_val_t@@CXXABI_1.3.11
 FUNC:_ZdlPv@@GLIBCXX_3.4
 FUNC:_ZdlPvRKSt9nothrow_t@@GLIBCXX_3.4
+FUNC:_ZdlPvSt11align_val_t@@CXXABI_1.3.11
+FUNC:_ZdlPvSt11align_val_tRKSt9nothrow_t@@CXXABI_1.3.11
 FUNC:_ZdlPvj@@CXXABI_1.3.9
+FUNC:_ZdlPvjSt11align_val_t@@CXXABI_1.3.11
 FUNC:_Znaj@@GLIBCXX_3.4
 FUNC:_ZnajRKSt9nothrow_t@@GLIBCXX_3.4
+FUNC:_ZnajSt11align_val_t@@CXXABI_1.3.11
+FUNC:_ZnajSt11align_val_tRKSt9nothrow_t@@CXXABI_1.3.11
 FUNC:_Znwj@@GLIBCXX_3.4
 FUNC:_ZnwjRKSt9nothrow_t@@GLIBCXX_3.4
+FUNC:_ZnwjSt11align_val_t@@CXXABI_1.3.11
+FUNC:_ZnwjSt11align_val_tRKSt9nothrow_t@@CXXABI_1.3.11
 FUNC:__atomic_flag_for_address@@GLIBCXX_3.4.11
 FUNC:__atomic_flag_wait_explicit@@GLIBCXX_3.4.11
 FUNC:__cxa_allocate_dependent_exception@@CXXABI_1.3.6
@@ -4138,6 +4160,7 @@ FUNC:__cxa_get_globals_fast@@CXXABI_1.3
 FUNC:__cxa_guard_abort@@CXXABI_1.3
 FUNC:__cxa_guard_acquire@@CXXABI_1.3
 FUNC:__cxa_guard_release@@CXXABI_1.3
+FUNC:__cxa_init_primary_exception@@CXXABI_1.3.11
 FUNC:__cxa_pure_virtual@@CXXABI_1.3
 FUNC:__cxa_rethrow@@CXXABI_1.3
 FUNC:__cxa_thread_atexit@@CXXABI_1.3.7
@@ -4185,6 +4208,7 @@ FUNC:tanl@GLIBCXX_3.4
 OBJECT:0:CXXABI_1.3
 OBJECT:0:CXXABI_1.3.1
 OBJECT:0:CXXABI_1.3.10
+OBJECT:0:CXXABI_1.3.11
 OBJECT:0:CXXABI_1.3.2
 OBJECT:0:CXXABI_1.3.3
 OBJECT:0:CXXABI_1.3.4
@@ -4211,6 +4235,8 @@ OBJECT:0:GLIBCXX_3.4.2
 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_3.4.3
 OBJECT:0:GLIBCXX_3.4.4
 OBJECT:0:GLIBCXX_3.4.5
