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diff --git a/libstdc++-v3/testsuite/19_diagnostics/logic_error/what-3.cc b/libstdc++-v3/testsuite/19_diagnostics/logic_error/what-3.cc
new file mode 100644
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+++ b/libstdc++-v3/testsuite/19_diagnostics/logic_error/what-3.cc
@@ -0,0 +1,68 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2007, 2009
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// .
+
+#include
+#include
+#include
+#include
+
+// test copy ctors, assignment operators, and persistence of member string data
+// libstdc++/1972
+// via Greg Bumgardner
+void allocate_on_stack(void)
+{
+ const size_t num = 512;
+ __extension__ char array[num];
+ for (size_t i = 0; i < num; i++)
+ array[i]=0;
+}
+
+void test04()
+{
+ bool test __attribute__((unused)) = true;
+ const std::string s("CA ISO emergency once again:immediate power down");
+ const char* strlit1 = "wish I lived in Palo Alto";
+ const char* strlit2 = "...or Santa Barbara";
+ std::logic_error obj1(s);
+
+ // block 01
+ {
+ const std::string s2(strlit1);
+ std::logic_error obj2(s2);
+ obj1 = obj2;
+ }
+ allocate_on_stack();
+ VERIFY( std::strcmp(strlit1, obj1.what()) == 0 );
+
+ // block 02
+ {
+ const std::string s3(strlit2);
+ std::logic_error obj3 = std::logic_error(s3);
+ obj1 = obj3;
+ }
+ allocate_on_stack();
+ VERIFY( std::strcmp(strlit2, obj1.what()) == 0 );
+}
+
+int main(void)
+{
+ test04();
+ return 0;
+}