[gcc r15-10298] libstdc++: Fix docs for --enable-vtable-verify [PR120698]

[Jonathan Wakely]

https://gcc.gnu.org/g:a8aa1cda6cb7b7a500f34cafb61d7eba9c619d0c

commit r15-10298-ga8aa1cda6cb7b7a500f34cafb61d7eba9c619d0c
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Jun 18 15:46:24 2025 +0100

    libstdc++: Fix docs for --enable-vtable-verify [PR120698]
    
    libstdc++-v3/ChangeLog:
    
            PR libstdc++/120698
            * doc/xml/manual/configure.xml: Do not claim that vtv is enabled
            by default.
            * doc/html/manual/configure.html: Regenerate.
    
    (cherry picked from commit d199a9c7c5034d0eddb3380a58342a5bcbe6febd)

Diff:
---
 libstdc++-v3/doc/html/manual/configure.html | 2 +-
 libstdc++-v3/doc/xml/manual/configure.xml   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libstdc++-v3/doc/html/manual/configure.html b/libstdc++-v3/doc/html/manual/configure.html
index 3564b0c409f0..eb4d42117100 100644
--- a/libstdc++-v3/doc/html/manual/configure.html
+++ b/libstdc++-v3/doc/html/manual/configure.html
@@ -268,7 +268,7 @@
         operations (e.g. the library is configured for armv7 and then code
         is compiled with <code class="option">-march=armv5t</code>) then the program
         might rely on support in libgcc to provide the atomics.
-    </p></dd><dt><span class="term"><code class="code">--enable-vtable-verify</code>[default]</span></dt><dd><p>Use <code class="code">-fvtable-verify=std</code> to compile the C++
+    </p></dd><dt><span class="term"><code class="code">--enable-vtable-verify</code></span></dt><dd><p>Use <code class="code">-fvtable-verify=std</code> to compile the C++
     runtime with instrumentation for vtable verification. All virtual
     functions in the standard library will be verified at runtime.
     Types impacted include <code class="classname">locale</code> and
diff --git a/libstdc++-v3/doc/xml/manual/configure.xml b/libstdc++-v3/doc/xml/manual/configure.xml
index cd5f44458a2e..460b994009da 100644
--- a/libstdc++-v3/doc/xml/manual/configure.xml
+++ b/libstdc++-v3/doc/xml/manual/configure.xml
@@ -438,7 +438,7 @@
     </para>
  </listitem></varlistentry>
 
- <varlistentry><term><code>--enable-vtable-verify</code>[default]</term>
+ <varlistentry><term><code>--enable-vtable-verify</code></term>
  <listitem>
     <para>Use <code>-fvtable-verify=std</code> to compile the C++
     runtime with instrumentation for vtable verification. All virtual