fcharlie created this revision.
Herald added a reviewer: EricWF.
Herald added a subscriber: cfe-commits.
When use
clang-cl -std:c++17 -Iinclude\c++\v1 hello.cc c++.lib
In file included from hello.cc:1:
In file included from include\c++\v1\iostream:38:
In file included from include\c++\v1\ios:216:
In file included from include\c++\v1\__locale:15:
In file included from include\c++\v1\string:477:
In file included from include\c++\v1\string_view:176:
In file included from include\c++\v1\__string:56:
In file included from include\c++\v1\algorithm:643:
In file included from include\c++\v1\memory:656:
include\c++\v1\new(165,29): error: redefinition of 'align_val_t'
enum class _LIBCPP_ENUM_VIS align_val_t : size_t { };
^
C:\Program Files (x86)\Microsoft Visual
Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\vcruntime_new.h(43,16):
note:
previous definition is here
enum class align_val_t : size_t {};
^
1 error generated.
Repository:
rCXX libc++
https://reviews.llvm.org/D42354
Files:
include/new
Index: include/new
===================================================================
--- include/new
+++ include/new
@@ -160,6 +160,9 @@
#endif // defined(_LIBCPP_BUILDING_NEW) || (_LIBCPP_STD_VER > 11)
+#if defined(_LIBCPP_ABI_MICROSOFT) && defined(_HAS_ALIGNED_NEW)
+/// vcruntime_new.h defined align_val_t
+#else
#if !defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) || _LIBCPP_STD_VER > 14
#ifndef _LIBCPP_CXX03_LANG
enum class _LIBCPP_ENUM_VIS align_val_t : size_t { };
@@ -167,6 +170,7 @@
enum align_val_t { __zero = 0, __max = (size_t)-1 };
#endif
#endif
+#endif
} // std
Index: include/new
===================================================================
--- include/new
+++ include/new
@@ -160,6 +160,9 @@
#endif // defined(_LIBCPP_BUILDING_NEW) || (_LIBCPP_STD_VER > 11)
+#if defined(_LIBCPP_ABI_MICROSOFT) && defined(_HAS_ALIGNED_NEW)
+/// vcruntime_new.h defined align_val_t
+#else
#if !defined(_LIBCPP_HAS_NO_ALIGNED_ALLOCATION) || _LIBCPP_STD_VER > 14
#ifndef _LIBCPP_CXX03_LANG
enum class _LIBCPP_ENUM_VIS align_val_t : size_t { };
@@ -167,6 +170,7 @@
enum align_val_t { __zero = 0, __max = (size_t)-1 };
#endif
#endif
+#endif
} // std
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