Fix visitation order of calls so that it matches execution order. Fixes #48048
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@ -965,8 +965,8 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr) {
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walk_list!(visitor, visit_expr, subexpressions);
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}
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ExprCall(ref callee_expression, ref arguments) => {
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visitor.visit_expr(callee_expression);
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walk_list!(visitor, visit_expr, arguments);
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visitor.visit_expr(callee_expression)
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}
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ExprMethodCall(ref segment, _, ref arguments) => {
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visitor.visit_path_segment(expression.span, segment);
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23
src/test/ui/generator/issue-48048.rs
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23
src/test/ui/generator/issue-48048.rs
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@ -0,0 +1,23 @@
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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(generators)]
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fn main() {
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let x = (|_| {},);
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|| {
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let x = x;
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x.0({ //~ ERROR borrow may still be in use when generator yields
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yield;
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});
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};
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}
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10
src/test/ui/generator/issue-48048.stderr
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10
src/test/ui/generator/issue-48048.stderr
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@ -0,0 +1,10 @@
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error[E0626]: borrow may still be in use when generator yields
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--> $DIR/issue-48048.rs:19:9
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19 | x.0({ //~ ERROR borrow may still be in use when generator yields
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| ^^^
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20 | yield;
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| ----- possible yield occurs here
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error: aborting due to previous error
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