1 files changed, 6 insertions, 0 deletions
diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js
index c029ab4e..e78f39ef 100644
--- a/tools/js-optimizer.js
+++ b/tools/js-optimizer.js
@@ -1746,6 +1746,7 @@ function registerize(ast) {
     // We also mark local variables - i.e., having a var definition
     var localVars = {};
     var hasSwitch = false; // we cannot optimize variables if there is a switch, unless in asm mode
+    var hasFunction = false;
     traverse(fun, function(node, type) {
       if (type === 'var') {
         node[1].forEach(function(defined) { localVars[defined[0]] = 1 });
@@ -1757,8 +1758,13 @@ function registerize(ast) {
         }
       } else if (type === 'switch') {
         hasSwitch = true;
+      } else if (type === 'function') {
+        hasFunction = true;
       }
     });
+    if (!asm && hasFunction) {
+      return; // inline assembly, and not asm (where we protect it in normalize/denormalize), so abort registerize pass
+    }
     vacuum(fun);
     if (extraInfo && extraInfo.globals) {
       assert(asm);