libstdc++: Fix a -Wsign-compare warning in std::list

libstdc++-v3/ChangeLog:

	* include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
	warning for loop condition.

(cherry picked from commit 9bd194434acb47fac80aad45ed04039e0535d1fe)

diff --git a/libstdc++-v3/include/bits/list.tcc b/libstdc++-v3/include/bits/list.tcc
index 3e5b1f7b972c3f6d3ee2213460316f0cc34dbade..344386aa4d0e89f33ec85fedb32018202d200b69 100644 (file)
--- a/libstdc++-v3/include/bits/list.tcc
+++ b/libstdc++-v3/include/bits/list.tcc
@@ -654,7 +654,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
            {
              // Move all nodes back into *this.
              __carry._M_put_all(end()._M_node);
-             for (int __i = 0; __i < sizeof(__tmp)/sizeof(__tmp[0]); ++__i)
+             for (size_t __i = 0; __i < sizeof(__tmp)/sizeof(__tmp[0]); ++__i)
                __tmp[__i]._M_put_all(end()._M_node);
              __throw_exception_again;
            }