diff options
Diffstat (limited to 'gcc/cp')
| -rw-r--r-- | gcc/cp/init.cc | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/gcc/cp/init.cc b/gcc/cp/init.cc index bf46578..0ab0aaa 100644 --- a/gcc/cp/init.cc +++ b/gcc/cp/init.cc @@ -2124,19 +2124,20 @@ expand_default_init (tree binfo, tree true_exp, tree exp, tree init, int flags, return false; } - if (TREE_CODE (init) == MUST_NOT_THROW_EXPR) - /* We need to protect the initialization of a catch parm with a - call to terminate(), which shows up as a MUST_NOT_THROW_EXPR - around the TARGET_EXPR for the copy constructor. See - initialize_handler_parm. */ + /* We need to protect the initialization of a catch parm with a + call to terminate(), which shows up as a MUST_NOT_THROW_EXPR + around the TARGET_EXPR for the copy constructor. See + initialize_handler_parm. */ + tree *p = &init; + while (TREE_CODE (*p) == MUST_NOT_THROW_EXPR + || TREE_CODE (*p) == CLEANUP_POINT_EXPR) { - TREE_OPERAND (init, 0) = build2 (INIT_EXPR, TREE_TYPE (exp), exp, - TREE_OPERAND (init, 0)); - TREE_TYPE (init) = void_type_node; + /* Avoid voidify_wrapper_expr making a temporary. */ + TREE_TYPE (*p) = void_type_node; + p = &TREE_OPERAND (*p, 0); } - else - init = build2 (INIT_EXPR, TREE_TYPE (exp), exp, init); - TREE_SIDE_EFFECTS (init) = 1; + *p = build2 (INIT_EXPR, TREE_TYPE (exp), exp, *p); + TREE_SIDE_EFFECTS (*p) = 1; finish_expr_stmt (init); return true; } |