3 files changed, 7 insertions, 7 deletions
diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs
index 580451ba265..63e8a67db53 100644
--- a/compiler/rustc_codegen_llvm/src/builder.rs
+++ b/compiler/rustc_codegen_llvm/src/builder.rs
@@ -1190,8 +1190,8 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
         // Set KCFI operand bundle
         let is_indirect_call = unsafe { llvm::LLVMIsAFunction(llfn).is_none() };
         let kcfi_bundle =
-            if self.tcx.sess.is_sanitizer_kcfi_enabled() && fn_abi.is_some() && is_indirect_call {
-                let kcfi_typeid = kcfi_typeid_for_fnabi(self.tcx, fn_abi.unwrap());
+            if let Some(fn_abi) = fn_abi && self.tcx.sess.is_sanitizer_kcfi_enabled() && is_indirect_call {
+                let kcfi_typeid = kcfi_typeid_for_fnabi(self.tcx, fn_abi);
                 Some(llvm::OperandBundleDef::new("kcfi", &[self.const_u32(kcfi_typeid)]))
             } else {
                 None
diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs
index efa0c13226e..4f8b5abd901 100644
--- a/compiler/rustc_codegen_llvm/src/common.rs
+++ b/compiler/rustc_codegen_llvm/src/common.rs
@@ -378,8 +378,7 @@ pub(crate) fn get_dllimport<'tcx>(
     name: &str,
 ) -> Option<&'tcx DllImport> {
     tcx.native_library(id)
-        .map(|lib| lib.dll_imports.iter().find(|di| di.name.as_str() == name))
-        .flatten()
+        .and_then(|lib| lib.dll_imports.iter().find(|di| di.name.as_str() == name))
 }
 
 pub(crate) fn is_mingw_gnu_toolchain(target: &Target) -> bool {
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
index 3e4765fba57..55a217f59f9 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
@@ -3,7 +3,7 @@ use rustc_codegen_ssa::debuginfo::{
     wants_c_like_enum_debuginfo,
 };
 use rustc_hir::def::CtorKind;
-use rustc_index::vec::IndexVec;
+use rustc_index::vec::IndexSlice;
 use rustc_middle::{
     bug,
     mir::{GeneratorLayout, GeneratorSavedLocal},
@@ -274,7 +274,8 @@ fn build_enum_variant_struct_type_di_node<'ll, 'tcx>(
                 .map(|field_index| {
                     let field_name = if variant_def.ctor_kind() != Some(CtorKind::Fn) {
                         // Fields have names
-                        Cow::from(variant_def.fields[field_index].name.as_str())
+                        let field = &variant_def.fields[FieldIdx::from_usize(field_index)];
+                        Cow::from(field.name.as_str())
                     } else {
                         // Tuple-like
                         super::tuple_field_name(field_index)
@@ -322,7 +323,7 @@ pub fn build_generator_variant_struct_type_di_node<'ll, 'tcx>(
     generator_type_and_layout: TyAndLayout<'tcx>,
     generator_type_di_node: &'ll DIType,
     generator_layout: &GeneratorLayout<'tcx>,
-    state_specific_upvar_names: &IndexVec<GeneratorSavedLocal, Option<Symbol>>,
+    state_specific_upvar_names: &IndexSlice<GeneratorSavedLocal, Option<Symbol>>,
     common_upvar_names: &[String],
 ) -> &'ll DIType {
     let variant_name = GeneratorSubsts::variant_name(variant_index);