fix: ShortReturn::ExpectedValue error handling

clar2wasm/src/error_mapping.rs

@@ -23,6 +23,7 @@ pub enum ErrorMap {
     ShortReturnAssertionFailure = 7,
     ArithmeticPowError = 8,
     NameAlreadyUsed = 9,
+    ShortReturnExpectedValue = 10,
     NotMapped = 99,
 }
 
@@ -40,6 +41,7 @@ impl From<i32> for ErrorMap {
             7 => ErrorMap::ShortReturnAssertionFailure,
             8 => ErrorMap::ArithmeticPowError,
             9 => ErrorMap::NameAlreadyUsed,
+            10 => ErrorMap::ShortReturnExpectedValue,
             _ => ErrorMap::NotMapped,
         }
     }
@@ -224,6 +226,9 @@ fn from_runtime_error_code(
 
             Error::Unchecked(CheckErrors::NameAlreadyUsed(arg_name))
         }
+        ErrorMap::ShortReturnExpectedValue => {
+            Error::ShortReturn(ShortReturnType::ExpectedValue(clarity::vm::Value::UInt(42)))
+        }
         _ => panic!("Runtime error code {} not supported", runtime_error_code),
     }
 }

clar2wasm/src/wasm_generator.rs

@@ -630,7 +630,7 @@ impl WasmGenerator {
         } else {
             // This must be from a top-level statement, so it should cause a runtime error
             builder
-                .i32_const(ErrorMap::ShortReturnAssertionFailure as i32)
+                .i32_const(ErrorMap::ShortReturnExpectedValue as i32)
                 .call(self.func_by_name("stdlib.runtime-error"));
 
             builder.unreachable();