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authorJonathan Wakely <jwakely@redhat.com>2021-04-12 11:12:47 +0100
committerJonathan Wakely <jwakely@redhat.com>2021-04-12 11:34:19 +0100
commit29046e02b84a16b6315d952d7f76c502d0d021c2 (patch)
treec8215edd4ab47f9dff62067ddf96942e93b76db7
parentc02c39fad02c386f6e687e28282973f580fc95ac (diff)
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libstdc++: Fix test that fails in C++20 mode [PR 99995]
The 17_intro/headers/c++1998/49745.cc test fails for C++20 mode with PCH enabled, because PCH makes it include <bits/stdc++.h>, which includes <atomic>, and that includes <unistd.h> in C++20 mode. The <unistd.h> dependency should go away when C++20 atomic waiting is stable, but will probably remain while the feature is experimental. Change the test to always include <bits/stdc++.h>, and XFAIL for C++20 and later. libstdc++-v3/ChangeLog: PR libstdc++/99995 * testsuite/17_intro/headers/c++1998/49745.cc: Include all standard headers and XFAIL for effective-target c++20.
-rw-r--r--libstdc++-v3/testsuite/17_intro/headers/c++1998/49745.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/libstdc++-v3/testsuite/17_intro/headers/c++1998/49745.cc b/libstdc++-v3/testsuite/17_intro/headers/c++1998/49745.cc
index a13a40e..204975e 100644
--- a/libstdc++-v3/testsuite/17_intro/headers/c++1998/49745.cc
+++ b/libstdc++-v3/testsuite/17_intro/headers/c++1998/49745.cc
@@ -18,5 +18,7 @@
// <http://www.gnu.org/licenses/>.
// libstdc++/49745
-#include <iostream>
+#include <bits/stdc++.h>
int truncate = 0;
+
+// { dg-xfail-if "PR libstdc++/99995" { c++20 } }