Add an explicit trap code for wasm unreachable.

2019-01-06 13:00:08 -08:00
parent 2f0e0dd995
commit 50a045363c
2 changed files with 9 additions and 4 deletions
--- a/lib/wasm/src/code_translator.rs
+++ b/lib/wasm/src/code_translator.rs
@@ -108,9 +108,7 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
            // We do nothing
        }
        Operator::Unreachable => {
-            // We use `trap user0` to indicate a user-generated trap.
-            // We could make the trap code configurable if need be.
-            builder.ins().trap(ir::TrapCode::User(0));
+            builder.ins().trap(ir::TrapCode::UnreachableCodeReached);
            state.reachable = false;
        }
        /***************************** Control flow blocks **********************************