From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Fri, 25 Oct 2019 19:11:29 +0000 (+0200)
Subject: Derive Eq and Hash for SourceInfo again
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=f04867cafbf329f6755d28ff288dd89ef39e2b4d;p=rust.git

Derive Eq and Hash for SourceInfo again
---

diff --git a/src/librustc/mir/mod.rs b/src/librustc/mir/mod.rs
index fb9c95724c9..f7e0d0131de 100644
--- a/src/librustc/mir/mod.rs
+++ b/src/librustc/mir/mod.rs
@@ -467,7 +467,9 @@ impl<T: Decodable> rustc_serialize::UseSpecializedDecodable for ClearCrossCrate<
 /// Grouped information about the source code origin of a MIR entity.
 /// Intended to be inspected by diagnostics and debuginfo.
 /// Most passes can work with it as a whole, within a single function.
-#[derive(Copy, Clone, Debug, PartialEq, RustcEncodable, RustcDecodable, HashStable)]
+// The unoffical Cranelift backend, at least as of #65828, needs `SourceInfo` to implement `Eq` and
+// `Hash`. Please ping @bjorn3 if removing them.
+#[derive(Copy, Clone, Debug, Eq, PartialEq, RustcEncodable, RustcDecodable, Hash, HashStable)]
 pub struct SourceInfo {
     /// The source span for the AST pertaining to this MIR entity.
     pub span: Span,