[gcc r14-11524] libstdc++: Restored accidentally removed test case.

[Tomasz Kaminski]

https://gcc.gnu.org/g:83cd4bda12f1218fea878acfc964949649ca9fc7

commit r14-11524-g83cd4bda12f1218fea878acfc964949649ca9fc7
Author: Tomasz Kamiński <tkaminsk@redhat.com>
Date:   Thu Apr 3 14:56:49 2025 +0200

    libstdc++: Restored accidentally removed test case.
    
    It was removed by accident r14-11523-gad1b71fc2882c1.
    
    libstdc++-v3/ChangeLog:
    
            * testsuite/std/format/functions/format.cc: Restored line.
    
    (cherry picked from commit 81c990aa84b22562157ce2926577b392b4a129d3)

Diff:
---
 libstdc++-v3/testsuite/std/format/functions/format.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libstdc++-v3/testsuite/std/format/functions/format.cc b/libstdc++-v3/testsuite/std/format/functions/format.cc
index 97eb0957e5e1..78010e159d36 100644
--- a/libstdc++-v3/testsuite/std/format/functions/format.cc
+++ b/libstdc++-v3/testsuite/std/format/functions/format.cc
@@ -518,6 +518,7 @@ test_unicode()
   std::string sP = std::format("{:1.1} {:*<1.1}", "£", "🤡");
   VERIFY( sP == "£ *" );
   sP = std::format("{:*<2.1} {:*<2.1}", "£", "🤡");
+  VERIFY( sP == "£* **" );
 
   // Verify field width handling for extended grapheme clusters,
   // and that a cluster gets output as a single item, not truncated.