[libcxx-commits] [libcxx] [libc++][syncbuf] Implements LWG3253. (PR #99778)

[Mark de Wever via libcxx-commits]

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@@ -253,7 +255,10 @@ public:
 
   // [syncstream.syncbuf.cons], construction and destruction
 
-  _LIBCPP_HIDE_FROM_ABI explicit basic_syncbuf(streambuf_type* __obuf = nullptr)
+  _LIBCPP_HIDE_FROM_ABI basic_syncbuf()
+      : basic_syncbuf(nullptr) {}
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mordante wrote:

I like the `return {}` test better, so went that direction for the test.

https://github.com/llvm/llvm-project/pull/99778