[gcc r11-9275] libstdc++: Add another testcase for std::unique_ptr printer [PR103086]

[Jonathan Wakely <redi@gcc.gnu.org>]

https://gcc.gnu.org/g:fa1ea255dba2d44ff22e434ed3d7778e8aaf4b91

commit r11-9275-gfa1ea255dba2d44ff22e434ed3d7778e8aaf4b91
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Nov 23 21:35:40 2021 +0000

    libstdc++: Add another testcase for std::unique_ptr printer [PR103086]
    
    libstdc++-v3/ChangeLog:
    
            PR libstdc++/103086
            * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr
            with non-empty pointer and non-empty deleter.
    
    (cherry picked from commit c59ec55c3459fba619e05ee7f59480b71e85ffd7)

Diff:
---
 libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc b/libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc
index 637246b3c12..fd50e8b028a 100644
--- a/libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc
+++ b/libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc
@@ -151,6 +151,17 @@ main()
   std::unique_ptr<int, Deleter>& rempty_ptr = empty_ptr;
 // { dg-final { note-test rempty_ptr {std::unique_ptr<int> = {get() = {<No data fields>}}} } }
 
+  struct Deleter_pr103086
+  {
+    int deleter_member = -1;
+    void operator()(int*) const noexcept { }
+  };
+
+  std::unique_ptr<int, Deleter_pr103086> uniq_ptr;
+// { dg-final { note-test uniq_ptr {std::unique_ptr<int> = {get() = 0x0}} } }
+  std::unique_ptr<int, Deleter_pr103086>& runiq_ptr = uniq_ptr;
+// { dg-final { note-test runiq_ptr {std::unique_ptr<int> = {get() = 0x0}} } }
+
   ExTuple tpl(6,7);
 // { dg-final { note-test tpl {std::tuple containing = {[1] = 6, [2] = 7}} } }
   ExTuple &rtpl = tpl;