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mir: drop temps outside-in by scheduling the drops inside-out.

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This commit is contained in:
Eduard Burtescu 2016-05-11 10:46:36 +03:00
parent 80ec1b9f10
commit e940de64ca
2 changed files with 16 additions and 16 deletions
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16
src/test/run-pass/issue-23338-ensure-param-drop-order.rs
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@ -8,8 +8,6 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(rustc_attrs)]
// ignore-pretty : (#23623) problems when ending with // comments
// This test is ensuring that parameters are indeed dropped after
@ -42,11 +40,11 @@ pub fn main() {
// | | | | eval tail of foo
// | | | +-- Make D(de_5, 6)
// | | | | +-- Make D(de_6, 7)
6, // | | | +-- Drop D(de_5, 6)
// | | | | |
5, // | | | | +-- Drop D(de_4, 5)
// | | | |
5, // | | | | | +-- Drop D(de_4, 5)
// | | | | |
2, // | | +-- Drop D(de_2, 2)
// | | | |
6, // | | +-- Drop D(de_5, 6)
// | | |
1, // | +-- Drop D(de_1, 1)
// | |
@ -66,8 +64,8 @@ fn test<'a>(log: d::Log<'a>) {
d::println(&format!("result {}", result));
}
#[rustc_no_mir] // FIXME #29855 MIR doesn't handle all drops correctly.
fn foo<'a>(da0: D<'a>, de1: D<'a>) -> D<'a> {
// FIXME(#33490) Remove the double braces when old trans is gone.
fn foo<'a>(da0: D<'a>, de1: D<'a>) -> D<'a> {{
d::println("entered foo");
let de2 = de1.incr(); // creates D(de_2, 2)
let de4 = {
@ -76,7 +74,7 @@ fn foo<'a>(da0: D<'a>, de1: D<'a>) -> D<'a> {
};
d::println("eval tail of foo");
de4.incr().incr() // creates D(de_5, 6) and D(de_6, 7)
}
}}
// This module provides simultaneous printouts of the dynamic extents
// of all of the D values, in addition to logging the order that each