Serialize OutputFilenames into rmeta file

This ensures that linking will use the correct crate name even when
`#![crate_name = "..."]` is used to specify the crate name.

1 files changed, 3 insertions, 3 deletions

diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index 2d2a3c3d665..d6e7afb7d09 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -580,7 +580,7 @@ pub enum ResolveDocLinks {
 /// *Do not* switch `BTreeMap` out for an unsorted container type! That would break
 /// dependency tracking for command-line arguments. Also only hash keys, since tracking
 /// should only depend on the output types, not the paths they're written to.
-#[derive(Clone, Debug, Hash, HashStable_Generic)]
+#[derive(Clone, Debug, Hash, HashStable_Generic, Encodable, Decodable)]
 pub struct OutputTypes(BTreeMap<OutputType, Option<OutFileName>>);
 
 impl OutputTypes {
@@ -818,7 +818,7 @@ impl Input {
     }
 }
 
-#[derive(Clone, Hash, Debug, HashStable_Generic, PartialEq)]
+#[derive(Clone, Hash, Debug, HashStable_Generic, PartialEq, Encodable, Decodable)]
 pub enum OutFileName {
     Real(PathBuf),
     Stdout,
@@ -890,7 +890,7 @@ impl OutFileName {
     }
 }
 
-#[derive(Clone, Hash, Debug, HashStable_Generic)]
+#[derive(Clone, Hash, Debug, HashStable_Generic, Encodable, Decodable)]
 pub struct OutputFilenames {
     pub out_directory: PathBuf,
     /// Crate name. Never contains '-'.