Reintroduce cranelift feature for debugging purposes

Author: aumetra

packages/vm/Cargo.toml

@@ -20,8 +20,9 @@ staking = ["cosmwasm-std/staking"]
 stargate = ["cosmwasm-std/stargate"]
 # Use cranelift backend instead of singlepass. This is required for development on Windows.
 #
-# LEGACY: This doesn't do anything anymore. Cranelift is automatically pulled in on Windows.
-cranelift = []
+# Note: This feature is automatically enabled on Windows, you don't have to toggle it manually anymore.
+# This is just to be able to debug issues with Cranelift on non-Windows platforms.
+cranelift = ["wasmer/cranelift"]
 # For heap profiling. Only used in the "heap_profiling" example.
 dhat-heap = ["dep:dhat"]
 

packages/vm/src/wasm_backend/engine.rs

@@ -28,9 +28,9 @@ fn cost(_operator: &Operator) -> u64 {
 
 /// Creates the appropriate compiler config for the platform
 pub fn make_compiler_config() -> impl CompilerConfig + Into<Engine> {
-    #[cfg(target_family = "windows")]
+    #[cfg(any(feature = "cranelift", target_family = "windows"))]
     return wasmer::Cranelift::new();
-    #[cfg(not(target_family = "windows"))]
+    #[cfg(not(any(feature = "cranelift", target_family = "windows")))]
     wasmer::Singlepass::new()
 }