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Synthesize calls to box_free language item

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This gets rid of Drop(Free, _) MIR construct by synthesizing a call to language item which
takes care of dropping instead.
This commit is contained in:
Simonas Kazlauskas 2016-01-28 23:59:00 +02:00
parent 7b9d6d3bc8
commit 432460a6fc
20 changed files with 127 additions and 69 deletions
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2
src/librustc_metadata/encoder.rs
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@ -1649,7 +1649,7 @@ fn encode_crate_deps(rbml_w: &mut Encoder, cstore: &cstore::CStore) {
fn encode_lang_items(ecx: &EncodeContext, rbml_w: &mut Encoder) {
rbml_w.start_tag(tag_lang_items);
for (i, &opt_def_id) in ecx.tcx.lang_items.items() {
for (i, &opt_def_id) in ecx.tcx.lang_items.items().iter().enumerate() {
if let Some(def_id) = opt_def_id {
if def_id.is_local() {
rbml_w.start_tag(tag_lang_items_item);