Fix compile warnings on nightly (#1510)

Author: alexcrichton

crates/wasm-mutate/src/mutators/codemotion/ir.rs

@@ -203,7 +203,6 @@ pub trait AstWriter {
                 consequent,
                 alternative,
                 ty,
-                range: _,
             } => {
                 self.write_if_else(
                     ast,
@@ -222,7 +221,7 @@ pub trait AstWriter {
             Node::Loop { body, ty, range: _ } => {
                 self.write_loop(ast, nodeidx, body, newfunc, operators, input_wasm, ty)?
             }
-            Node::Block { body, ty, range: _ } => {
+            Node::Block { body, ty } => {
                 self.write_block(ast, nodeidx, body, newfunc, operators, input_wasm, ty)?
             }
             Node::Root(body) => {
@@ -304,11 +303,10 @@ impl AstBuilder {
                                 consequent: then_branch,
                                 alternative: None,
                                 ty: ty.expect("Missing if type"),
-                                range: frame_start..idx,
                             });
                         }
                         State::Else => {
-                            let (last_frame, ty, if_start) = parse_context.pop_frame()?;
+                            let (last_frame, ty, _if_start) = parse_context.pop_frame()?;
                             // Validate parent
                             match last_frame {
                                 State::If => {}
@@ -322,7 +320,6 @@ impl AstBuilder {
                                 consequent: then_branch,
                                 alternative: Some(else_branch),
                                 ty: ty.expect("Missing if type"),
-                                range: if_start..idx,
                             });
                         }
                         State::Loop => {
@@ -342,7 +339,6 @@ impl AstBuilder {
                             parse_context.push_node_to_current_parsing(Node::Block {
                                 body: children,
                                 ty: ty.expect("Missing block type for loop"),
-                                range: frame_start..idx,
                             });
                         }
                         State::Root => {

crates/wasm-mutate/src/mutators/codemotion/ir/parse_context.rs

@@ -51,7 +51,6 @@ pub enum Node {
         alternative: Option<Vec<usize>>,
         /// The block type for the branches.
         ty: BlockType,
-        range: Range<usize>,
     },
     /// Code node
     Code {
@@ -73,8 +72,6 @@ pub enum Node {
         body: Vec<usize>,
         /// Block type
         ty: BlockType,
-        /// Range on the instructions stream
-        range: Range<usize>,
     },
     /// Special node to wrap the root nodes of the Ast
     Root(Vec<usize>),
@@ -147,7 +144,6 @@ impl ParseContext {
                 consequent: _,
                 alternative: _,
                 ty: _,
-                range: _,
             } => self.ifs.push(id),
             Node::Loop { .. } => self.loops.push(id),
             Node::Block { .. } => self.blocks.push(id),

crates/wasm-mutate/src/mutators/peephole.rs

@@ -306,7 +306,6 @@ impl PeepholeMutator {
                         for resource in &needed_resources {
                             match resource {
                                 ResourceRequest::Global {
-                                    index: _,
                                     tpe: ty,
                                     mutable,
                                     shared,

crates/wasm-mutate/src/mutators/peephole/dfg.rs

@@ -43,8 +43,6 @@ pub struct BBlock {
 pub struct StackEntry {
     /// Lang enode operator mapping
     pub operator: Lang,
-    /// Index in the MiniDFG entries collection
-    pub entry_idx: usize,
     /// Color of the dfg part
     pub color: u32,
     /// Instruction index if its apply
@@ -292,7 +290,6 @@ impl<'a> DFGBuilder {
 
         let new_node = StackEntry {
             operator,
-            entry_idx,
             color: self.color,
             operator_idx,
         };
@@ -321,7 +318,6 @@ impl<'a> DFGBuilder {
 
                 let leaf = StackEntry {
                     operator: Lang::Undef,
-                    entry_idx,
                     color: UNDEF_COLOR,
                     operator_idx,
                 };

crates/wasm-mutate/src/mutators/peephole/eggsy/encoder/expr2wasm.rs

@@ -17,8 +17,6 @@ use wasm_encoder::{Function, Instruction};
 pub enum ResourceRequest {
     /// Global resource request
     Global {
-        /// Global index
-        index: usize,
         /// Global type
         tpe: PrimitiveTypeInfo,
         /// If its mutable
@@ -362,7 +360,6 @@ pub fn expr2wasm(
                     Lang::I32UseGlobal(_) => {
                         // Request a new global
                         let request = ResourceRequest::Global {
-                            index: global_idx as usize,
                             tpe: PrimitiveTypeInfo::I32,
                             mutable: true,
                             shared: false,
@@ -375,7 +372,6 @@ pub fn expr2wasm(
                     }
                     Lang::I64UseGlobal(_) => {
                         let request = ResourceRequest::Global {
-                            index: global_idx as usize,
                             tpe: PrimitiveTypeInfo::I64,
                             mutable: true,
                             shared: false,
@@ -388,7 +384,6 @@ pub fn expr2wasm(
                     }
                     Lang::F32UseGlobal(_) => {
                         let request = ResourceRequest::Global {
-                            index: global_idx as usize,
                             tpe: PrimitiveTypeInfo::F32,
                             mutable: true,
                             shared: false,
@@ -401,7 +396,6 @@ pub fn expr2wasm(
                     }
                     Lang::F64UseGlobal(_) => {
                         let request = ResourceRequest::Global {
-                            index: global_idx as usize,
                             tpe: PrimitiveTypeInfo::F64,
                             mutable: true,
                             shared: false,

crates/wast/src/lib.rs

@@ -96,7 +96,7 @@ macro_rules! custom_keyword {
         #[allow(non_camel_case_types)]
         #[allow(missing_docs)]
         #[derive(Debug, Copy, Clone)]
-        pub struct $name(pub $crate::token::Span);
+        pub struct $name(#[allow(dead_code)] pub $crate::token::Span);
 
         impl<'a> $crate::parser::Parse<'a> for $name {
             fn parse(parser: $crate::parser::Parser<'a>) -> $crate::parser::Result<Self> {