Constrain fill_n -> memset operations to include implicit convertibility to unsigned char. This fixes http://llvm.org/bugs/show_bug.cgi?id=16764. Also a drive-by fix on a chrono test suite bug.
llvm-svn: 187552
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: ce075cf1aa28c5cb09d48f3bcbc6dcb44ed08548
diff --git a/include/algorithm b/include/algorithm
index 19d016f..119fbbb 100644
--- a/include/algorithm
+++ b/include/algorithm
@@ -2012,6 +2012,7 @@
return _VSTD::__fill_n(__first, __n, __value_, integral_constant<bool,
is_pointer<_OutputIterator>::value &&
is_trivially_assignable<typename remove_pointer<_OutputIterator>::type, _Tp>::value &&
+ is_convertible<_Tp, unsigned char>::value &&
sizeof(typename remove_pointer<_OutputIterator>::type) == 1>());
}
diff --git a/test/utilities/time/time.duration/time.duration.cons/default.pass.cpp b/test/utilities/time/time.duration/time.duration.cons/default.pass.cpp
index 837f437..c529909 100644
--- a/test/utilities/time/time.duration/time.duration.cons/default.pass.cpp
+++ b/test/utilities/time/time.duration/time.duration.cons/default.pass.cpp
@@ -27,7 +27,7 @@
D d;
assert(d.count() == typename D::rep());
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
- constexpr D d2;
+ constexpr D d2 = D();
static_assert(d2.count() == typename D::rep(), "");
#endif
}