From 2f12c7fa504a09ea4cb20ee42214f382cf8a879a Mon Sep 17 00:00:00 2001
From: dcodeIO <dcode@dcode.io>
Date: Thu, 28 Dec 2017 15:20:37 +0100
Subject: [PATCH] Fix local type being possibly null

---
 src/program.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/program.ts b/src/program.ts
index 775bddd5..0c865a3a 100644
--- a/src/program.ts
+++ b/src/program.ts
@@ -1485,7 +1485,8 @@ export class Function extends Element {
   /** Frees the temporary local for reuse. */
   freeTempLocal(local: Local): void {
     var temps: Local[];
-    switch (local.type.toNativeType()) {
+    assert(local.type != null);
+    switch ((<Type>local.type).toNativeType()) {
       case NativeType.I32: temps = this.tempI32s || (this.tempI32s = []); break;
       case NativeType.I64: temps = this.tempI64s || (this.tempI64s = []); break;
       case NativeType.F32: temps = this.tempF32s || (this.tempF32s = []); break;