wasm2asm test generation (#1124)

* Translate assert_return invokes to asm

* Translate assert_trap tests to JS

* Enable wasm2asm tests

* Fix wasm2asm translation of store

* Update ubuntu nodejs in Travis

* Free JSPrinter buffer

* Use unique_ptr for Functions to prevent leaks

* Add tests for assert translation

1 files changed, 4 insertions, 0 deletions

diff --git a/src/wasm-s-parser.h b/src/wasm-s-parser.h
index d621128de..6be17f561 100644
--- a/src/wasm-s-parser.h
+++ b/src/wasm-s-parser.h
@@ -159,6 +159,10 @@ public:
   }
   Expression* parseExpression(Element& s);
 
+  MixedArena& getAllocator() {
+    return allocator;
+  }
+
 private:
   Expression* makeExpression(Element& s);
   Expression* makeBinary(Element& s, BinaryOp op, WasmType type);