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blob c0b96c3bc81085a5b8f8340b0eb3436ae5f3abb0 592 bytes (raw)
name: gnu/packages/patches/foo.patch 	 # note: path name is non-authoritative(*)

--- 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]]

debug log:

solving 5f3ccda91d ...
found 5f3ccda91d in https://yhetil.org/guix-devel/87mt3byjrp.fsf@cbaines.net/

applying [1/1] https://yhetil.org/guix-devel/87mt3byjrp.fsf@cbaines.net/
diff --git a/gnu/packages/patches/foo.patch b/gnu/packages/patches/foo.patch
new file mode 100644
index 0000000000..5f3ccda91d

Checking patch gnu/packages/patches/foo.patch...
Applied patch gnu/packages/patches/foo.patch cleanly.

index at:
100644 c0b96c3bc81085a5b8f8340b0eb3436ae5f3abb0	gnu/packages/patches/foo.patch

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    Blobs themselves have no identifier aside from the hash of its contents.^

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