[gcc r16-7845] libstdc++: Add dg-bogus check to istreambuf_iterator/105580.cc [PR105580]

[Tomasz Kaminski]

https://gcc.gnu.org/g:a523d1ecc89dcb7ea205e3de22d00443d4a0d91d

commit r16-7845-ga523d1ecc89dcb7ea205e3de22d00443d4a0d91d
Author: Tomasz Kamiński <tkaminsk@redhat.com>
Date:   Mon Mar 2 11:37:43 2026 +0100

    libstdc++: Add dg-bogus check to istreambuf_iterator/105580.cc [PR105580]
    
            PR libstdc++/105580
    
    libstdc++-v3/ChangeLog:
    
            * testsuite/24_iterators/istreambuf_iterator/105580.cc:
            Add dg-bogus check for warning.

Diff:
---
 libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/105580.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/105580.cc b/libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/105580.cc
index 87edf999ffcd..e1ef4b107396 100644
--- a/libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/105580.cc
+++ b/libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/105580.cc
@@ -12,3 +12,4 @@ int main()
   return 0;
 }
 
+// { dg-bogus "null pointer dereference" "" { target *-*-* } 0 }