diff options
Diffstat (limited to 'gcc/go/gofrontend/parse.cc')
| -rw-r--r-- | gcc/go/gofrontend/parse.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/go/gofrontend/parse.cc b/gcc/go/gofrontend/parse.cc index 8c42fa2b24f..6f7b8f21b24 100644 --- a/gcc/go/gofrontend/parse.cc +++ b/gcc/go/gofrontend/parse.cc @@ -3839,6 +3839,23 @@ Parse::return_stat() if (this->expression_may_start_here()) vals = this->expression_list(NULL, false); this->gogo_->add_statement(Statement::make_return_statement(vals, location)); + + if (vals == NULL + && this->gogo_->current_function()->func_value()->results_are_named()) + { + Named_object* function = this->gogo_->current_function(); + Function::Results* results = function->func_value()->result_variables(); + for (Function::Results::const_iterator p = results->begin(); + p != results->end(); + ++p) + { + Named_object* no = this->gogo_->lookup((*p)->name(), NULL); + go_assert(no != NULL); + if (!no->is_result_variable()) + error_at(location, "%qs is shadowed during return", + (*p)->message_name().c_str()); + } + } } // IfStmt = "if" [ SimpleStmt ";" ] Expression Block |