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-rw-r--r--libstdc++-v3/ChangeLog4
-rw-r--r--libstdc++-v3/include/bits/refwrap.h3
2 files changed, 6 insertions, 1 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d75ebbc..c72d4a4 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -10,6 +10,10 @@
2020-01-28 Jonathan Wakely <jwakely@redhat.com>
+ PR libstdc++/93470
+ * include/bits/refwrap.h (reference_wrapper::operator()): Restrict
+ static assertion to object types.
+
PR libstdc++/93325
* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Use AC_SEARCH_LIBS for
clock_gettime instead of explicit glibc version check.
diff --git a/libstdc++-v3/include/bits/refwrap.h b/libstdc++-v3/include/bits/refwrap.h
index 2bcd44d..717aa01 100644
--- a/libstdc++-v3/include/bits/refwrap.h
+++ b/libstdc++-v3/include/bits/refwrap.h
@@ -343,7 +343,8 @@ _GLIBCXX_MEM_FN_TRAITS(&& noexcept, false_type, true_type)
operator()(_Args&&... __args) const
{
#if __cplusplus > 201703L
- static_assert(sizeof(type), "type must be complete");
+ if constexpr (is_object_v<type>)
+ static_assert(sizeof(type), "type must be complete");
#endif
return std::__invoke(get(), std::forward<_Args>(__args)...);
}