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Tell regionck that user unops are by value

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This commit is contained in:
Jorge Aparicio 2014-12-15 16:18:17 -05:00
parent b98c3bd4d2
commit 5caebb23cd
1 changed files with 4 additions and 2 deletions
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6
src/librustc_typeck/check/regionck.rs
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@ -682,10 +682,12 @@ fn visit_expr(rcx: &mut Rcx, expr: &ast::Expr) {
visit::walk_expr(rcx, expr);
}
ast::ExprUnary(_, ref lhs) if has_method_map => {
ast::ExprUnary(op, ref lhs) if has_method_map => {
let implicitly_ref_args = !ast_util::is_by_value_unop(op);
// As above.
constrain_call(rcx, expr, Some(&**lhs),
None::<ast::Expr>.iter(), true);
None::<ast::Expr>.iter(), implicitly_ref_args);
visit::walk_expr(rcx, expr);
}