From: Jonathan Wakely <jwakely@redhat.com>
Date: Tue, 22 Nov 2022 12:17:27 +0000 (+0000)
Subject: libstdc++: Add testcase for fs::path constraint recursion [PR106201]
X-Git-Tag: basepoints/gcc-14~2965
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b859736bb1e707778627b2e58ef6088e475a54c;p=thirdparty%2Fgcc.git

libstdc++: Add testcase for fs::path constraint recursion [PR106201]

libstdc++-v3/ChangeLog:

	PR libstdc++/106201
	* testsuite/27_io/filesystem/iterators/106201.cc: New test.
---

diff --git a/libstdc++-v3/testsuite/27_io/filesystem/iterators/106201.cc b/libstdc++-v3/testsuite/27_io/filesystem/iterators/106201.cc
new file mode 100644
index 000000000000..4a64e675816f
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/filesystem/iterators/106201.cc
@@ -0,0 +1,12 @@
+// { dg-options "-std=gnu++20" }
+// { dg-do compile { target c++20 } }
+// { dg-require-filesystem-ts "" }
+
+// PR libstdc++/106201 constraint recursion in path(Source const&) constructor.
+
+#include <filesystem>
+#include <ranges>
+using I = std::counted_iterator<std::filesystem::directory_iterator>;
+static_assert( std::swappable<I> );
+using R = std::counted_iterator<std::filesystem::recursive_directory_iterator>;
+static_assert( std::swappable<R> );