diff options
Diffstat (limited to 'gcc/cp')
-rw-r--r-- | gcc/cp/coroutines.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/cp/coroutines.cc b/gcc/cp/coroutines.cc index bcc9173..25931c9 100644 --- a/gcc/cp/coroutines.cc +++ b/gcc/cp/coroutines.cc @@ -4211,9 +4211,15 @@ coro_rewrite_function_body (location_t fn_start, tree fnbody, tree orig, { /* Build a compound expression that sets the initial-await-resume-called variable true and then calls the - initial suspend expression await resume. */ + initial suspend expression await resume. + In the case that the user decides to make the initial await + await_resume() return a value, we need to discard it and, it is + a reference type, look past the indirection. */ + if (INDIRECT_REF_P (initial_await)) + initial_await = TREE_OPERAND (initial_await, 0); tree vec = TREE_OPERAND (initial_await, 3); tree aw_r = TREE_VEC_ELT (vec, 2); + aw_r = convert_to_void (aw_r, ICV_STATEMENT, tf_warning_or_error); tree update = build2 (MODIFY_EXPR, boolean_type_node, i_a_r_c, boolean_true_node); aw_r = cp_build_compound_expr (update, aw_r, tf_warning_or_error); |