Implement From<WasmError> for CompileError without std

lib/compiler/src/error.rs

@@ -18,7 +18,7 @@ use thiserror::Error;
 pub enum CompileError {
     /// A Wasm translation error occured.
     #[cfg_attr(feature = "std", error("WebAssembly translation error: {0}"))]
-    Wasm(#[cfg_attr(feature = "std", from)] WasmError),
+    Wasm(WasmError),
 
     /// A compilation error occured.
     #[cfg_attr(feature = "std", error("Compilation error: {0}"))]
@@ -42,6 +42,12 @@ pub enum CompileError {
     Resource(String),
 }
 
+impl From<WasmError> for CompileError {
+    fn from(original: WasmError) -> Self {
+        Self::Wasm(original)
+    }
+}
+
 /// A WebAssembly translation error.
 ///
 /// When a WebAssembly function can't be translated, one of these error codes will be returned