Found this bug in 4.4 branches, fixed with the following in later
branches:
http://gcc.gnu.org/ml/gcc-patches/2010-06/msg01616.html
But the test case is useful anyway.
tested x86/linux
-benjamin
2012-04-16 Benjamin Kosnik <b...@redhat.com>
* testsuite/20_util/specialized_algorithms/uninitialized_copy/
808590.cc: New.
diff --git a/libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy/808590.cc b/libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy/808590.cc
new file mode 100644
index 0000000..7ccd8da
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy/808590.cc
@@ -0,0 +1,48 @@
+// Copyright (C) 2012 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 Pred 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
+// <http://www.gnu.org/licenses/>.
+
+#include <vector>
+#include <stdexcept>
+
+// 4.4.x only
+struct c
+{
+ void *m;
+
+ c(void* o = 0) : m(o) {}
+ c(const c &r) : m(r.m) {}
+
+ template<class T>
+ explicit c(T &o) : m((void*)0xdeadfbeef) { }
+};
+
+int main()
+{
+ std::vector<c> cbs;
+ const c cb((void*)0xcafebabe);
+
+ for (int fd = 62; fd < 67; ++fd)
+ {
+ cbs.resize(fd + 1);
+ cbs[fd] = cb;
+ }
+
+ for (int fd = 62; fd< 67; ++fd)
+ if (cb.m != cbs[fd].m)
+ throw std::runtime_error("wrong");
+ return 0;
+}
