Fix fallout from `deny(unused_lifetimes)`.

4 files changed, 13 insertions, 13 deletions

diff --git a/src/librustc_codegen_ssa/back/symbol_export.rs b/src/librustc_codegen_ssa/back/symbol_export.rs
index 845adf0a268..8d6652d05df 100644
--- a/src/librustc_codegen_ssa/back/symbol_export.rs
+++ b/src/librustc_codegen_ssa/back/symbol_export.rs
@@ -46,7 +46,7 @@ pub fn crates_export_threshold(crate_types: &[config::CrateType]) -> SymbolExpor
     }
 }
 
-fn reachable_non_generics_provider<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
+fn reachable_non_generics_provider<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
                                              cnum: CrateNum)
                                              -> &'tcx DefIdMap<SymbolExportLevel>
 {
@@ -157,7 +157,7 @@ fn reachable_non_generics_provider<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
     tcx.arena.alloc(reachable_non_generics)
 }
 
-fn is_reachable_non_generic_provider_local<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
+fn is_reachable_non_generic_provider_local<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
                                                      def_id: DefId)
                                                      -> bool {
     let export_threshold = threshold(tcx);
@@ -169,13 +169,13 @@ fn is_reachable_non_generic_provider_local<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tc
     }
 }
 
-fn is_reachable_non_generic_provider_extern<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
+fn is_reachable_non_generic_provider_extern<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
                                                       def_id: DefId)
                                                       -> bool {
     tcx.reachable_non_generics(def_id.krate).contains_key(&def_id)
 }
 
-fn exported_symbols_provider_local<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
+fn exported_symbols_provider_local<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
                                              cnum: CrateNum)
                                              -> Arc<Vec<(ExportedSymbol<'tcx>,
                                                          SymbolExportLevel)>>
@@ -278,7 +278,7 @@ fn exported_symbols_provider_local<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
     Arc::new(symbols)
 }
 
-fn upstream_monomorphizations_provider<'a, 'tcx>(
+fn upstream_monomorphizations_provider<'tcx>(
     tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
     cnum: CrateNum)
     -> &'tcx DefIdMap<FxHashMap<SubstsRef<'tcx>, CrateNum>>
@@ -328,7 +328,7 @@ fn upstream_monomorphizations_provider<'a, 'tcx>(
     tcx.arena.alloc(instances)
 }
 
-fn upstream_monomorphizations_for_provider<'a, 'tcx>(
+fn upstream_monomorphizations_for_provider<'tcx>(
     tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
     def_id: DefId)
     -> Option<&'tcx FxHashMap<SubstsRef<'tcx>, CrateNum>>
diff --git a/src/librustc_codegen_ssa/base.rs b/src/librustc_codegen_ssa/base.rs
index 4eff29f5022..b80f01467af 100644
--- a/src/librustc_codegen_ssa/base.rs
+++ b/src/librustc_codegen_ssa/base.rs
@@ -703,7 +703,7 @@ impl<B: ExtraBackendMethods> Drop for AbortCodegenOnDrop<B> {
     }
 }
 
-fn assert_and_save_dep_graph<'ll, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>) {
+fn assert_and_save_dep_graph<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>) {
     time(tcx.sess,
          "assert dep graph",
          || ::rustc_incremental::assert_dep_graph(tcx));
@@ -850,7 +850,7 @@ pub fn provide_both(providers: &mut Providers<'_>) {
     };
 }
 
-fn determine_cgu_reuse<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
+fn determine_cgu_reuse<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
                                  cgu: &CodegenUnit<'tcx>)
                                  -> CguReuse {
     if !tcx.dep_graph.is_fully_enabled() {
diff --git a/src/librustc_codegen_ssa/debuginfo/type_names.rs b/src/librustc_codegen_ssa/debuginfo/type_names.rs
index df7c33fb2de..695a1c1cbcf 100644
--- a/src/librustc_codegen_ssa/debuginfo/type_names.rs
+++ b/src/librustc_codegen_ssa/debuginfo/type_names.rs
@@ -8,7 +8,7 @@ use rustc_data_structures::fx::FxHashSet;
 // any caching, i.e., calling the function twice with the same type will also do
 // the work twice. The `qualified` parameter only affects the first level of the
 // type name, further levels (i.e., type parameters) are always fully qualified.
-pub fn compute_debuginfo_type_name<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
+pub fn compute_debuginfo_type_name<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
                                              t: Ty<'tcx>,
                                              qualified: bool)
                                              -> String {
@@ -20,7 +20,7 @@ pub fn compute_debuginfo_type_name<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
 
 // Pushes the name of the type as it should be stored in debuginfo on the
 // `output` String. See also compute_debuginfo_type_name().
-pub fn push_debuginfo_type_name<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
+pub fn push_debuginfo_type_name<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
                                           t: Ty<'tcx>,
                                           qualified: bool,
                                           output: &mut String,
@@ -228,7 +228,7 @@ pub fn push_debuginfo_type_name<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
     // reconstructed for items from non-local crates. For local crates, this
     // would be possible but with inlining and LTO we have to use the least
     // common denominator - otherwise we would run into conflicts.
-    fn push_type_params<'a, 'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
+    fn push_type_params<'tcx>(tcx: TyCtxt<'tcx, 'tcx, 'tcx>,
                                   substs: SubstsRef<'tcx>,
                                   output: &mut String,
                                   visited: &mut FxHashSet<Ty<'tcx>>) {
diff --git a/src/librustc_codegen_ssa/traits/backend.rs b/src/librustc_codegen_ssa/traits/backend.rs
index 64a4c922500..40333874c00 100644
--- a/src/librustc_codegen_ssa/traits/backend.rs
+++ b/src/librustc_codegen_ssa/traits/backend.rs
@@ -32,13 +32,13 @@ impl<'tcx, T> Backend<'tcx> for T where
 
 pub trait ExtraBackendMethods: CodegenBackend + WriteBackendMethods + Sized + Send {
     fn new_metadata(&self, sess: TyCtxt<'_, '_, '_>, mod_name: &str) -> Self::Module;
-    fn write_compressed_metadata<'b, 'gcx>(
+    fn write_compressed_metadata<'gcx>(
         &self,
         tcx: TyCtxt<'gcx, 'gcx, 'gcx>,
         metadata: &EncodedMetadata,
         llvm_module: &mut Self::Module,
     );
-    fn codegen_allocator<'b, 'gcx>(
+    fn codegen_allocator<'gcx>(
         &self,
         tcx: TyCtxt<'gcx, 'gcx, 'gcx>,
         mods: &mut Self::Module,