================
@@ -917,6 +917,18 @@ class QualType {
/// Return true if this is a trivially copyable type (C++0x [basic.types]p9)
bool isTriviallyCopyableType(const ASTContext &Context) const;
+ /// Return true if this is a bitwise copyable type.
+ ///
+ /// This is an extension in clang: bitwise copyable types act as trivially
+ /// copyable types, underlying bytes of bitwise copyable type can be safely
+ /// copied by memcpy or memmove. Clang guarantees that both source and
+ /// destination objects have the same **object** representations after the
+ /// copy, and the lifetime of the destination object implicitly starts.
+ ///
+ /// bitwise copyable types cover a wider range of types, e.g. classes with
+ /// virtual methods.
----------------
hokein wrote:
I made some adjustments to this comment, hopefully it is clearer.
https://github.com/llvm/llvm-project/pull/86512
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
