add release profile

rust/Cargo.toml

@@ -17,6 +17,16 @@ incremental = true
 opt-level = 2
 
 
+[profile.release]
+# Explicitly disable LTO which the Xtensa codegen backend has issues
+lto = false
+strip = true
+debug = false
+overflow-checks = false
+panic = "abort"
+incremental = true
+opt-level = "z"
+
 [package.metadata.cargo_runner]
 # The string `$TARGET_FILE` will be replaced with the path from cargo.
 command = [