--- a/libstdc++-v3/src/c++17/floating_from_chars.cc
+++ b/libstdc++-v3/src/c++17/floating_from_chars.cc
@@ -495,10 +495,16 @@
 from_chars(const char* first, const char* last, __ieee128& value,
          chars_format fmt) noexcept
 {
+  errc ec = errc::invalid_argument;
+#if _GLIBCXX_USE_CXX11_ABI
   buffer_resource mr;
   pmr::string buf(&mr);
+#else
+  string buf;
+  if (!reserve_string(buf))
+    return make_result(first, 0, {}, ec);
+#endif
   size_t len = 0;
-  errc ec = errc::invalid_argument;
   __try
     {
       if (const char* pat = pattern(first, last, fmt, buf)) [[likely]]
>
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<tr><td><span title='2020-03-01 14:41:38 +0100'>2020-03-01</span></td><td><a href='/guix/commit/gnu/packages/anthy.scm?id=203475e430126031667fd4b3e4c7bf1386fd52df'>gnu: anthy: Use HTTPS home page.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/anthy.scm (anthy)[home-page]: Use HTTPS.
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