Auto merge of rust-lang#76315 - lcnr:map-track-caller, r=Mark-Simulacrum

bors · bors · commit 42d896afbd03 · 2020-09-04T19:05:20.000Z
add `#[track_caller]` to `local_def_id_to_hir_id`

Improves one of the more frequent ICE
diff --git a/compiler/rustc_hir/src/definitions.rs b/compiler/rustc_hir/src/definitions.rs
@@ -313,6 +313,7 @@ impl Definitions {
     }
 
     #[inline]
+    #[track_caller]
     pub fn local_def_id_to_hir_id(&self, id: LocalDefId) -> hir::HirId {
         self.def_id_to_hir_id[id].unwrap()
     }

Original file line number	Diff line number	Diff line change
`@@ -313,6 +313,7 @@ impl Definitions {`
`313`	`313`	`}`
`314`	`314`
`315`	`315`	`#[inline]`
	`316`	`+ #[track_caller]`
`316`	`317`	`pub fn local_def_id_to_hir_id(&self, id: LocalDefId) -> hir::HirId {`
`317`	`318`	`self.def_id_to_hir_id[id].unwrap()`
`318`	`319`	`}`