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-rw-r--r--compiler/rustc_codegen_cranelift/src/constant.rs2
-rw-r--r--compiler/rustc_codegen_ssa/src/mir/operand.rs2
-rw-r--r--compiler/rustc_const_eval/src/const_eval/eval_queries.rs2
-rw-r--r--compiler/rustc_const_eval/src/const_eval/valtrees.rs2
-rw-r--r--compiler/rustc_const_eval/src/interpret/operand.rs2
-rw-r--r--compiler/rustc_middle/src/mir/interpret/value.rs6
-rw-r--r--compiler/rustc_middle/src/mir/mod.rs4
-rw-r--r--compiler/rustc_middle/src/mir/pretty.rs4
-rw-r--r--compiler/rustc_middle/src/thir.rs6
-rw-r--r--compiler/rustc_mir_build/src/build/expr/as_constant.rs2
-rw-r--r--compiler/rustc_mir_build/src/thir/cx/expr.rs4
11 files changed, 15 insertions, 21 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs
index f90ad534970..0739061fdbd 100644
--- a/compiler/rustc_codegen_cranelift/src/constant.rs
+++ b/compiler/rustc_codegen_cranelift/src/constant.rs
@@ -167,7 +167,7 @@ pub(crate) fn codegen_const_value<'tcx>(
     }
 
     match const_val {
-        ConstValue::ZST => unreachable!(), // we already handles ZST above
+        ConstValue::Zst => unreachable!(), // we already handles ZST above
         ConstValue::Scalar(x) => match x {
             Scalar::Int(int) => {
                 if fx.clif_type(layout.ty).is_some() {
diff --git a/compiler/rustc_codegen_ssa/src/mir/operand.rs b/compiler/rustc_codegen_ssa/src/mir/operand.rs
index 72d0d3e5482..af15ae36fa9 100644
--- a/compiler/rustc_codegen_ssa/src/mir/operand.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/operand.rs
@@ -84,7 +84,7 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> {
                 let llval = bx.scalar_to_backend(x, scalar, bx.immediate_backend_type(layout));
                 OperandValue::Immediate(llval)
             }
-            ConstValue::ZST => {
+            ConstValue::Zst => {
                 let llval = bx.zst_to_backend(bx.immediate_backend_type(layout));
                 OperandValue::Immediate(llval)
             }
diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
index 251be589649..d3ebfd715c0 100644
--- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
+++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
@@ -157,7 +157,7 @@ pub(super) fn op_to_const<'tcx>(
                     "this MPlaceTy must come from a validated constant, thus we can assume the \
                 alignment is correct",
                 );
-                ConstValue::ZST
+                ConstValue::Zst
             }
         }
     };
diff --git a/compiler/rustc_const_eval/src/const_eval/valtrees.rs b/compiler/rustc_const_eval/src/const_eval/valtrees.rs
index 0ef55c63085..c2978e0d4f8 100644
--- a/compiler/rustc_const_eval/src/const_eval/valtrees.rs
+++ b/compiler/rustc_const_eval/src/const_eval/valtrees.rs
@@ -272,7 +272,7 @@ pub fn valtree_to_const_value<'tcx>(
     match ty.kind() {
         ty::FnDef(..) => {
             assert!(valtree.unwrap_branch().is_empty());
-            ConstValue::ZST
+            ConstValue::Zst
         }
         ty::Bool | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Char => match valtree {
             ty::ValTree::Leaf(scalar_int) => ConstValue::Scalar(Scalar::Int(scalar_int)),
diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs
index c95ae4f6e7a..236849f5f9f 100644
--- a/compiler/rustc_const_eval/src/interpret/operand.rs
+++ b/compiler/rustc_const_eval/src/interpret/operand.rs
@@ -709,7 +709,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
                 Operand::Indirect(MemPlace::from_ptr(ptr.into()))
             }
             ConstValue::Scalar(x) => Operand::Immediate(tag_scalar(x)?.into()),
-            ConstValue::ZST => Operand::Immediate(Immediate::Uninit),
+            ConstValue::Zst => Operand::Immediate(Immediate::Uninit),
             ConstValue::Slice { data, start, end } => {
                 // We rely on mutability being set correctly in `data` to prevent writes
                 // where none should happen.
diff --git a/compiler/rustc_middle/src/mir/interpret/value.rs b/compiler/rustc_middle/src/mir/interpret/value.rs
index 59242b785c6..e38e4fc54c5 100644
--- a/compiler/rustc_middle/src/mir/interpret/value.rs
+++ b/compiler/rustc_middle/src/mir/interpret/value.rs
@@ -35,7 +35,7 @@ pub enum ConstValue<'tcx> {
     Scalar(Scalar),
 
     /// Only used for ZSTs.
-    ZST,
+    Zst,
 
     /// Used only for `&[u8]` and `&str`
     Slice { data: ConstAllocation<'tcx>, start: usize, end: usize },
@@ -58,7 +58,7 @@ impl<'a, 'tcx> Lift<'tcx> for ConstValue<'a> {
     fn lift_to_tcx(self, tcx: TyCtxt<'tcx>) -> Option<ConstValue<'tcx>> {
         Some(match self {
             ConstValue::Scalar(s) => ConstValue::Scalar(s),
-            ConstValue::ZST => ConstValue::ZST,
+            ConstValue::Zst => ConstValue::Zst,
             ConstValue::Slice { data, start, end } => {
                 ConstValue::Slice { data: tcx.lift(data)?, start, end }
             }
@@ -73,7 +73,7 @@ impl<'tcx> ConstValue<'tcx> {
     #[inline]
     pub fn try_to_scalar(&self) -> Option<Scalar<AllocId>> {
         match *self {
-            ConstValue::ByRef { .. } | ConstValue::Slice { .. } | ConstValue::ZST => None,
+            ConstValue::ByRef { .. } | ConstValue::Slice { .. } | ConstValue::Zst => None,
             ConstValue::Scalar(val) => Some(val),
         }
     }
diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs
index 532b7f2bf0c..066cb4d2057 100644
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -1711,7 +1711,7 @@ impl<'tcx> Operand<'tcx> {
         Operand::Constant(Box::new(Constant {
             span,
             user_ty: None,
-            literal: ConstantKind::Val(ConstValue::ZST, ty),
+            literal: ConstantKind::Val(ConstValue::Zst, ty),
         }))
     }
 
@@ -2196,7 +2196,7 @@ impl<'tcx> ConstantKind<'tcx> {
 
     #[inline]
     pub fn zero_sized(ty: Ty<'tcx>) -> Self {
-        let cv = ConstValue::ZST;
+        let cv = ConstValue::Zst;
         Self::Val(cv, ty)
     }
 
diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs
index 453e33efdd2..07a3c8cf7bb 100644
--- a/compiler/rustc_middle/src/mir/pretty.rs
+++ b/compiler/rustc_middle/src/mir/pretty.rs
@@ -449,7 +449,7 @@ impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> {
             }
 
             let fmt_val = |val: &ConstValue<'tcx>| match val {
-                ConstValue::ZST => format!("ZST"),
+                ConstValue::Zst => format!("ZST"),
                 ConstValue::Scalar(s) => format!("Scalar({:?})", s),
                 ConstValue::Slice { .. } => format!("Slice(..)"),
                 ConstValue::ByRef { .. } => format!("ByRef(..)"),
@@ -680,7 +680,7 @@ pub fn write_allocations<'tcx>(
             ConstValue::Scalar(interpret::Scalar::Int { .. }) => {
                 Either::Left(Either::Right(std::iter::empty()))
             }
-            ConstValue::ZST => Either::Left(Either::Right(std::iter::empty())),
+            ConstValue::Zst => Either::Left(Either::Right(std::iter::empty())),
             ConstValue::ByRef { alloc, .. } | ConstValue::Slice { data: alloc, .. } => {
                 Either::Right(alloc_ids_from_alloc(alloc))
             }
diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs
index 1938c56768d..3fe6394ad7e 100644
--- a/compiler/rustc_middle/src/thir.rs
+++ b/compiler/rustc_middle/src/thir.rs
@@ -458,12 +458,6 @@ pub enum ExprKind<'tcx> {
     },
 }
 
-impl<'tcx> ExprKind<'tcx> {
-    pub fn zero_sized_literal(user_ty: Option<Canonical<'tcx, UserType<'tcx>>>) -> Self {
-        ExprKind::ZstLiteral { user_ty }
-    }
-}
-
 /// Represents the association of a field identifier and an expression.
 ///
 /// This is used in struct constructors.
diff --git a/compiler/rustc_mir_build/src/build/expr/as_constant.rs b/compiler/rustc_mir_build/src/build/expr/as_constant.rs
index c3af9f2d2b7..063500c9187 100644
--- a/compiler/rustc_mir_build/src/build/expr/as_constant.rs
+++ b/compiler/rustc_mir_build/src/build/expr/as_constant.rs
@@ -61,7 +61,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
                         inferred_ty: ty,
                     })
                 });
-                let literal = ConstantKind::Val(ConstValue::ZST, ty);
+                let literal = ConstantKind::Val(ConstValue::Zst, ty);
 
                 Constant { span, user_ty: user_ty, literal }
             }
diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs
index 4bc3d216a40..4eb3607e9cc 100644
--- a/compiler/rustc_mir_build/src/thir/cx/expr.rs
+++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs
@@ -799,7 +799,7 @@ impl<'tcx> Cx<'tcx> {
             }
         };
         let ty = self.tcx().mk_fn_def(def_id, substs);
-        Expr { temp_lifetime, ty, span, kind: ExprKind::zero_sized_literal(user_ty) }
+        Expr { temp_lifetime, ty, span, kind: ExprKind::ZstLiteral { user_ty } }
     }
 
     fn convert_arm(&mut self, arm: &'tcx hir::Arm<'tcx>) -> ArmId {
@@ -828,7 +828,7 @@ impl<'tcx> Cx<'tcx> {
             | Res::Def(DefKind::Ctor(_, CtorKind::Fn), _)
             | Res::SelfCtor(_) => {
                 let user_ty = self.user_substs_applied_to_res(expr.hir_id, res);
-                ExprKind::zero_sized_literal(user_ty)
+                ExprKind::ZstLiteral { user_ty }
             }
 
             Res::Def(DefKind::ConstParam, def_id) => {