vcpkg/ports/llvm/0004-fix-dr-1734.patch

 llvm/include/llvm/Support/type_traits.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/include/llvm/Support/type_traits.h b/llvm/include/llvm/Support/type_traits.h
index 7b7d5d991f3f..469b681deea3 100644
--- a/llvm/include/llvm/Support/type_traits.h
+++ b/llvm/include/llvm/Support/type_traits.h
@@ -176,7 +176,8 @@ class is_trivially_copyable {
       (has_deleted_copy_assign || has_trivial_copy_assign) &&
       (has_deleted_copy_constructor || has_trivial_copy_constructor);
 
-#ifdef HAVE_STD_IS_TRIVIALLY_COPYABLE
+// due to DR 1734, a type can be std::is_trivially_copyable but not llvm::is_trivially_copyable
+#if 0
   static_assert(value == std::is_trivially_copyable<T>::value,
                 "inconsistent behavior between llvm:: and std:: implementation of is_trivially_copyable");
 #endif