Update Wasmer, log load times, some minor performance tweaks

src/script_implementations/wasm/script_resolver.rs

@@ -7,8 +7,8 @@ use hashbrown::{HashMap, HashSet};
 use parking_lot::lock_api::RwLockReadGuard;
 use parking_lot::{RawRwLock, RwLock};
 use wasmer::{
-    AsStoreMut, AsStoreRef, Cranelift, EngineBuilder, Extern, Features, Function, FunctionEnv, Imports, Instance,
-    Memory, Module, Store, StoreMut, StoreRef, TypedFunction, Value,
+    AsStoreMut, AsStoreRef, EngineBuilder, Extern, Features, Function, FunctionEnv, Imports, Instance, Memory, Module,
+    Store, StoreMut, StoreRef, TypedFunction, Value,
 };
 
 use crate::dynamic_data::{ItemScript, Script, ScriptOwnerData, ScriptResolver};
@@ -52,7 +52,7 @@ struct ScriptCapabilitiesKey {
 impl WebAssemblyScriptResolver {
     /// Instantiates a new WebAssemblyScriptResolver.
     pub fn new() -> Box<WebAssemblyScriptResolver> {
-        let compiler = Cranelift::default();
+        let compiler = wasmer::LLVM::default();
         let mut features = Features::new();
         features.multi_value = true;
         features.reference_types = true;

src/utils/string_key.rs

@@ -129,10 +129,13 @@ impl ValueIdentifiable for StringKey {
     }
 }
 
+/// The difference in ascii characters to translate from uppercase to lowercase.
+const CAPITAL_DIFF: u8 = b'a' - b'A';
+
 /// Converts a character to lowercased in a const safe way.
 const fn to_lower(c: u8) -> u8 {
     if c >= b'A' && c <= b'Z' {
-        return c + (b'a' - b'A');
+        return c + CAPITAL_DIFF;
     }
     c
 }