index f6c9842ff..9f83181eb 100644
--- a/emsdk/emscripten/tag-1.38.4/src/support.js
+++ b/emsdk/emscripten/tag-1.38.4/src/support.js
@@ -158,7 +158,33 @@ function loadWebAssemblyModule(binary) {
       'Infinity': Infinity,
     },
     'global.Math': Math,
-    env: env
+    env: env,
+    'asm2wasm': { // special asm2wasm imports
+      "f64-rem": function(x, y) {
+        return x % y;
+      },
+      "debugger": function() {
+        debugger;
+      }
+#if NEED_ALL_ASM2WASM_IMPORTS
+      ,
+      "f64-to-int": function(x) {
+        return x | 0;
+      },
+      "i32s-div": function(x, y) {
+        return ((x | 0) / (y | 0)) | 0;
+      },
+      "i32u-div": function(x, y) {
+        return ((x >>> 0) / (y >>> 0)) >>> 0;
+      },
+      "i32s-rem": function(x, y) {
+        return ((x | 0) % (y | 0)) | 0;
+      },
+      "i32u-rem": function(x, y) {
+        return ((x >>> 0) % (y >>> 0)) >>> 0;
+      }
+#endif // NEED_ALL_ASM2WASM_IMPORTS
+    },
   };
 #if ASSERTIONS
   var oldTable = [];