handle assigns into globals at the top of asm functions in normalizeAsm

1 files changed, 3 insertions, 1 deletions

diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js
index 0387f9fd..77ad0ba3 100644
--- a/tools/js-optimizer.js
+++ b/tools/js-optimizer.js
@@ -1302,7 +1302,9 @@ function normalizeAsm(func) {
     var node = stats[i];
     if (node[0] != 'stat' || node[1][0] != 'assign' || node[1][2][0] != 'name') break;
     node = node[1];
-    data.params[node[2][1]] = detectAsmCoercion(node[3]);
+    var name = node[2][1];
+    if (func[2] && func[2].indexOf(name) < 0) break; // not an assign into a parameter, but a global
+    data.params[name] = detectAsmCoercion(node[3]);
     stats[i] = emptyNode();
     i++;
   }