Remove `serialized_bitcode` from `LtoModuleCodegen`.

It's unused.

1 files changed, 4 insertions, 8 deletions

diff --git a/compiler/rustc_codegen_ssa/src/back/lto.rs b/compiler/rustc_codegen_ssa/src/back/lto.rs
index 8b6f6b5a220..1e1e039882b 100644
--- a/compiler/rustc_codegen_ssa/src/back/lto.rs
+++ b/compiler/rustc_codegen_ssa/src/back/lto.rs
@@ -41,18 +41,14 @@ pub struct ThinShared<B: WriteBackendMethods> {
 }
 
 pub enum LtoModuleCodegen<B: WriteBackendMethods> {
-    Fat {
-        module: ModuleCodegen<B::Module>,
-        _serialized_bitcode: Vec<SerializedModule<B::ModuleBuffer>>,
-    },
-
+    Fat(ModuleCodegen<B::Module>),
     Thin(ThinModule<B>),
 }
 
 impl<B: WriteBackendMethods> LtoModuleCodegen<B> {
     pub fn name(&self) -> &str {
         match *self {
-            LtoModuleCodegen::Fat { .. } => "everything",
+            LtoModuleCodegen::Fat(_) => "everything",
             LtoModuleCodegen::Thin(ref m) => m.name(),
         }
     }
@@ -68,7 +64,7 @@ impl<B: WriteBackendMethods> LtoModuleCodegen<B> {
         cgcx: &CodegenContext<B>,
     ) -> Result<ModuleCodegen<B::Module>, FatalError> {
         match self {
-            LtoModuleCodegen::Fat { mut module, .. } => {
+            LtoModuleCodegen::Fat(mut module) => {
                 B::optimize_fat(cgcx, &mut module)?;
                 Ok(module)
             }
@@ -81,7 +77,7 @@ impl<B: WriteBackendMethods> LtoModuleCodegen<B> {
     pub fn cost(&self) -> u64 {
         match *self {
             // Only one module with fat LTO, so the cost doesn't matter.
-            LtoModuleCodegen::Fat { .. } => 0,
+            LtoModuleCodegen::Fat(_) => 0,
             LtoModuleCodegen::Thin(ref m) => m.cost(),
         }
     }