Re: [PATCH] libstdc++: Fix the test for rvalue stream extraction

[Jonathan Wakely via Gcc-patches]

On 15/12/20 12:13 +0200, Ville Voutilainen via Libstdc++ wrote:

   libstdc++-v3/ChangeLog:

           * testsuite/27_io/rvalue_streams.cc: Run the extraction to a char*
           for C++17 and lower only.

OK, thanks.

diff --git a/libstdc++-v3/testsuite/27_io/rvalue_streams.cc 
b/libstdc++-v3/testsuite/27_io/rvalue_streams.cc
index ad4d11c7cf3..487aa4deedd 100644
--- a/libstdc++-v3/testsuite/27_io/rvalue_streams.cc
+++ b/libstdc++-v3/testsuite/27_io/rvalue_streams.cc
@@ -53,7 +53,9 @@ test02()
  VERIFY( x.as_rvalue == true );

  char arr[2];
+#if __cplusplus <= 201703L
  std::istringstream("x") >> &arr[0];
+#endif
  std::istringstream("x") >> arr;
}