| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++2b -ast-dump %s | FileCheck %s |
| |
| union U { |
| int a; |
| float b; |
| U &operator=(this U &self, const U &) = default; |
| U &operator=(this U &self, U &&) = default; |
| }; |
| |
| void odr_use(U &x, const U &y, U &&z) { |
| x = y; |
| x = static_cast<U &&>(z); |
| } |
| |
| // C++23 explicit-object form uses the same typed-pointer memcpy. |
| |
| // CHECK: CXXMethodDecl {{.*}} operator= 'U &(U &, const U &) |
| // CHECK: CompoundStmt |
| // CHECK: CallExpr |
| // CHECK: DeclRefExpr {{.*}} '__builtin_memcpy' |
| // CHECK: ImplicitCastExpr {{.*}} 'void *' <BitCast> |
| // CHECK: UnaryOperator {{.*}} 'U *' prefix '&' |
| // CHECK: ImplicitCastExpr {{.*}} 'const void *' <BitCast> |
| // CHECK: UnaryOperator {{.*}} 'const U *' prefix '&' |
| // CHECK: ReturnStmt |
| |
| // CHECK: CXXMethodDecl {{.*}} operator= 'U &(U &, U &&) |
| // CHECK: CompoundStmt |
| // CHECK: CallExpr |
| // CHECK: DeclRefExpr {{.*}} '__builtin_memcpy' |
| // CHECK: ImplicitCastExpr {{.*}} 'void *' <BitCast> |
| // CHECK: UnaryOperator {{.*}} 'U *' prefix '&' |
| // CHECK: ImplicitCastExpr {{.*}} 'const void *' <BitCast> |
| // CHECK: UnaryOperator {{.*}} 'U *' prefix '&' |
| // CHECK: ReturnStmt |
