Use rustc-hash for module exports

bytecodealliance · Jan 26, 2024 · 42ac253 · 42ac253
1 parent 5c0027b
commit 42ac253
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Showing 3 changed files with 5 additions and 1 deletion.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/crates/environ/Cargo.toml b/crates/environ/Cargo.toml
@@ -28,6 +28,7 @@ log = { workspace = true }
 gimli = { workspace = true, features = ["write"] }
 object = { workspace = true, features = ['write_core'] }
 rustc-demangle = { version = "0.1.16", optional = true }
+rustc-hash = "1.1"
 target-lexicon = { workspace = true }
 wasm-encoder = { workspace = true, optional = true }
 wasmprinter = { workspace = true, optional = true }

diff --git a/crates/environ/src/module.rs b/crates/environ/src/module.rs
@@ -3,9 +3,11 @@
 use crate::{ModuleTranslation, PrimaryMap, Tunables, WasmHeapType, WASM_PAGE_SIZE};
 use cranelift_entity::{packed_option::ReservedValue, EntityRef};
 use indexmap::IndexMap;
+use rustc_hash::FxHasher;
 use serde_derive::{Deserialize, Serialize};
 use std::collections::BTreeMap;
 use std::convert::TryFrom;
+use std::hash::BuildHasherDefault;
 use std::mem;
 use std::ops::Range;
 use wasmtime_types::*;
@@ -804,7 +806,7 @@ pub struct Module {
     pub initializers: Vec<Initializer>,
 
     /// Exported entities.
-    pub exports: IndexMap<String, EntityIndex>,
+    pub exports: IndexMap<String, EntityIndex, BuildHasherDefault<FxHasher>>,
 
     /// The module "start" function, if present.
     pub start_func: Option<FuncIndex>,