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* [gcc r11-8011] libstdc++: Clarify static_assert message
@ 2021-04-06 15:53 Jonathan Wakely
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From: Jonathan Wakely @ 2021-04-06 15:53 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:41019bfae2673a818a9b7d08742f3ef91c0deade
commit r11-8011-g41019bfae2673a818a9b7d08742f3ef91c0deade
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Tue Apr 6 16:34:48 2021 +0100
libstdc++: Clarify static_assert message
libstdc++-v3/ChangeLog:
* include/bits/move.h (forward): Change static_assert message
to be unambiguous about what must be true.
* testsuite/20_util/forward/c_neg.cc: Adjust dg-error.
* testsuite/20_util/forward/f_neg.cc: Likewise.
Diff:
---
libstdc++-v3/include/bits/move.h | 2 +-
libstdc++-v3/testsuite/20_util/forward/c_neg.cc | 2 +-
libstdc++-v3/testsuite/20_util/forward/f_neg.cc | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/libstdc++-v3/include/bits/move.h b/libstdc++-v3/include/bits/move.h
index d36e4b28f37..feacae084c9 100644
--- a/libstdc++-v3/include/bits/move.h
+++ b/libstdc++-v3/include/bits/move.h
@@ -87,7 +87,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
forward(typename std::remove_reference<_Tp>::type&& __t) noexcept
{
static_assert(!std::is_lvalue_reference<_Tp>::value, "template argument"
- " substituting _Tp is an lvalue reference type");
+ " substituting _Tp must not be an lvalue reference type");
return static_cast<_Tp&&>(__t);
}
diff --git a/libstdc++-v3/testsuite/20_util/forward/c_neg.cc b/libstdc++-v3/testsuite/20_util/forward/c_neg.cc
index 884100da42e..dc7ec51bde6 100644
--- a/libstdc++-v3/testsuite/20_util/forward/c_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/forward/c_neg.cc
@@ -17,7 +17,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-error "static assertion failed" "" { target *-*-* } 89 }
+// { dg-error "must not be an lvalue reference" "" { target *-*-* } 0 }
#include <list>
diff --git a/libstdc++-v3/testsuite/20_util/forward/f_neg.cc b/libstdc++-v3/testsuite/20_util/forward/f_neg.cc
index 90d3152ffcd..4ccd7264c65 100644
--- a/libstdc++-v3/testsuite/20_util/forward/f_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/forward/f_neg.cc
@@ -17,7 +17,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-error "static assertion failed" "" { target *-*-* } 89 }
+// { dg-error "must not be an lvalue reference" "" { target *-*-* } 0 }
#include <utility>
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