[gcc r15-7535] c++: add fixed test [PR66878]

[Marek Polacek via Gcc-cvs]

https://gcc.gnu.org/g:720137f4ee6e80de5c22b9f9c9750f13b2132fe6

commit r15-7535-g720137f4ee6e80de5c22b9f9c9750f13b2132fe6
Author: Marek Polacek <pola...@redhat.com>
Date:   Fri Feb 14 13:48:03 2025 -0500

    c++: add fixed test [PR66878]
    
    Fixed by r11-175.
    
            PR c++/66878
    
    gcc/testsuite/ChangeLog:
    
            * g++.dg/lookup/using71.C: New test.

Diff:
---
 gcc/testsuite/g++.dg/lookup/using71.C | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/gcc/testsuite/g++.dg/lookup/using71.C 
b/gcc/testsuite/g++.dg/lookup/using71.C
new file mode 100644
index 000000000000..b899e0a27a30
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/using71.C
@@ -0,0 +1,12 @@
+// PR c++/66878
+
+struct S;
+
+namespace H {
+    namespace P {
+        using ::S;
+    }
+    struct P::S {};
+}
+
+int main() {}