Add Default, Display, and Hash as lang_items

Susurrus · Susurrus · commit f10126c41778 · 2019-02-08T21:36:13.000-08:00
diff --git a/src/librustc/middle/lang_items.rs b/src/librustc/middle/lang_items.rs
@@ -377,6 +377,10 @@ language_item_table! {
 
     Arc,                         "arc",                arc,                     Target::Struct;
     Rc,                          "rc",                 rc,                      Target::Struct;
+
+    DefaultTraitLangItem,        "default",            default_trait,           Target::Trait;
+    DisplayTraitLangItem,        "display",            display_trait,           Target::Trait;
+    HashTraitLangItem,           "hash",               hash_trait,              Target::Trait;
 }
 
 impl<'a, 'tcx, 'gcx> TyCtxt<'a, 'tcx, 'gcx> {

Original file line number	Diff line number	Diff line change
`@@ -377,6 +377,10 @@ language_item_table! {`
`377`	`377`
`378`	`378`	`Arc, "arc", arc, Target::Struct;`
`379`	`379`	`Rc, "rc", rc, Target::Struct;`
	`380`	`+`
	`381`	`+ DefaultTraitLangItem, "default", default_trait, Target::Trait;`
	`382`	`+ DisplayTraitLangItem, "display", display_trait, Target::Trait;`
	`383`	`+ HashTraitLangItem, "hash", hash_trait, Target::Trait;`
`380`	`384`	`}`
`381`	`385`
`382`	`386`	`impl<'a, 'tcx, 'gcx> TyCtxt<'a, 'tcx, 'gcx> {`