[gcc r11-6573] libstdc++: Suppress more vstring testsuite warnings. [PR 98613]

[David Edelsohn]

https://gcc.gnu.org/g:4a1d7f7e203d0ec4b9d67ea6fc9b84bee1e211d3

commit r11-6573-g4a1d7f7e203d0ec4b9d67ea6fc9b84bee1e211d3
Author: David Edelsohn <dje.gcc@gmail.com>
Date:   Sun Jan 10 18:10:34 2021 -0500

    libstdc++: Suppress more vstring testsuite warnings. [PR 98613]
    
        PR c++/57111 - 57111 - Generalize -Wfree-nonheap-object to delete
    
    can create false positive warnings for vstring _S_empty_rep.
    
    This patch prunes the excess false positive warnings from two more
    testcases.
    
    libstdc++-v3/ChangeLog:
    
            PR libstdc++/98613
            * testsuite/ext/vstring/cons/moveable.cc: Suppress false positive
            warning.
            * testsuite/ext/vstring/modifiers/assign/move_assign.cc: Same.

Diff:
---
 libstdc++-v3/testsuite/ext/vstring/cons/moveable.cc                | 5 +++++
 libstdc++-v3/testsuite/ext/vstring/modifiers/assign/move_assign.cc | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/libstdc++-v3/testsuite/ext/vstring/cons/moveable.cc b/libstdc++-v3/testsuite/ext/vstring/cons/moveable.cc
index 3c4dc8777a8..fed65502da8 100644
--- a/libstdc++-v3/testsuite/ext/vstring/cons/moveable.cc
+++ b/libstdc++-v3/testsuite/ext/vstring/cons/moveable.cc
@@ -57,3 +57,8 @@ int main()
   test02();
   return 0;
 }
+
+// The __versa_string destructor triggers a bogus -Wfree-nonheap-object
+// due to pr54202.
+// { dg-prune-output "\\\[-Wfree-nonheap-object" }
+
diff --git a/libstdc++-v3/testsuite/ext/vstring/modifiers/assign/move_assign.cc b/libstdc++-v3/testsuite/ext/vstring/modifiers/assign/move_assign.cc
index 99508b0ce16..1499fa4ce5e 100644
--- a/libstdc++-v3/testsuite/ext/vstring/modifiers/assign/move_assign.cc
+++ b/libstdc++-v3/testsuite/ext/vstring/modifiers/assign/move_assign.cc
@@ -48,3 +48,8 @@ int main()
   test02();
   return 0;
 }
+
+// The __versa_string destructor triggers a bogus -Wfree-nonheap-object
+// due to pr54202.
+// { dg-prune-output "\\\[-Wfree-nonheap-object" }
+