[Wasm GC] ArrayInit support (#4138)

array.init is like array.new_with_rtt except that it takes
as arguments the values to initialize the array with (as opposed to
a size and an optional initial value).

Spec: https://docs.google.com/document/d/1afthjsL_B9UaMqCA5ekgVmOm75BVFu6duHNsN9-gnXw/edit#

1 files changed, 1 insertions, 0 deletions

diff --git a/src/js/binaryen.js-post.js b/src/js/binaryen.js-post.js
index a91d5af31..94f2d446c 100644
--- a/src/js/binaryen.js-post.js
+++ b/src/js/binaryen.js-post.js
@@ -109,6 +109,7 @@ function initializeConstants() {
     'StructGet',
     'StructSet',
     'ArrayNew',
+    'ArrayInit',
     'ArrayGet',
     'ArraySet',
     'ArrayLen'