wasm2js: Don't assume that `env.abort` can always be impored. (#5049)

This import was being injected and then used to implement trapping.
Rather than injecting an import that doesn't exist in the original
module we instead use the existing mechanism to implement this as
an internal helper.

1 files changed, 2 insertions, 3 deletions

diff --git a/test/wasm2js.traps.js b/test/wasm2js.traps.js
index 350f55947..31d9557e0 100644
--- a/test/wasm2js.traps.js
+++ b/test/wasm2js.traps.js
@@ -42,7 +42,6 @@ function asmFunc0(importObject) {
  var Math_ceil = Math.ceil;
  var Math_trunc = Math.trunc;
  var Math_sqrt = Math.sqrt;
- var abort = env.abort;
  var nan = NaN;
  var infinity = Infinity;
  function $0() {
@@ -68,8 +67,8 @@ function asmFunc0(importObject) {
  };
 }
 
-var retasmFunc0 = asmFunc0(  { abort: function() { throw new Error('abort'); }
-  });
+var retasmFunc0 = asmFunc0({
+});
 function check1() {
  retasmFunc0.empty();
  return 1 | 0;