[PATCH][_GLIBCXX_INLINE_VERSION] Add missing symbols

[François Dumont]

Here is a patch to fix following test case in gcc:

gcc/testsuite/g++.dg/cpp23/ext-floating13.C
    libstdc++: [_GLIBCXX_INLINE_VERSION] Add missing float symbols

    libstdc++-v3/ChangeLog:

            * config/abi/pre/gnu-versioned-namespace.ver: Add missing 
symbols
            for _Float{16,32,64,128,32x,64x,128x}.

Ok to commit ?

François

diff --git a/libstdc++-v3/config/abi/pre/gnu-versioned-namespace.ver b/libstdc++-v3/config/abi/pre/gnu-versioned-namespace.ver
index 267ab8fc719..9fab8bead15 100644
--- a/libstdc++-v3/config/abi/pre/gnu-versioned-namespace.ver
+++ b/libstdc++-v3/config/abi/pre/gnu-versioned-namespace.ver
@@ -318,6 +318,15 @@ CXXABI_2.0 {
     _ZTIPD[fde];
     _ZTIPKD[fde];
 
+    # typeinfo for _Float{16,32,64,128,32x,64x,128x} and
+    # __bf16
+    _ZTIDF[0-9]*[_bx];
+    _ZTIPDF[0-9]*[_bx];
+    _ZTIPKDF[0-9]*[_bx];
+    _ZTIu6__bf16;
+    _ZTIPu6__bf16;
+    _ZTIPKu6__bf16;
+
     # typeinfo for decltype(nullptr)
     _ZTIDn;
     _ZTIPDn;