fix: fix wrong usage of == caught by closure compiler (#510)

vikerman · mhevery · commit d7d8eb51c3be · 2016-11-21T16:22:07.000-08:00
diff --git a/lib/zone.ts b/lib/zone.ts
@@ -1310,7 +1310,7 @@ const Zone: ZoneType = (function(global: any) {
               frames[i] += ` [${zoneFrame.parent.zone.name} => ${zoneFrame.zone.name}]`;
               zoneFrame = zoneFrame.parent;
             } else {
-              zoneFrame == null;
+              zoneFrame = null;
             }
           } else {
             frames[i] += ` [${zoneFrame.zone.name}]`;

Original file line number	Diff line number	Diff line change
`@@ -1310,7 +1310,7 @@ const Zone: ZoneType = (function(global: any) {`
`1310`	`1310`	frames[i] += ` [${zoneFrame.parent.zone.name} => ${zoneFrame.zone.name}]`;
`1311`	`1311`	`zoneFrame = zoneFrame.parent;`
`1312`	`1312`	`} else {`
`1313`		`- zoneFrame == null;`
	`1313`	`+ zoneFrame = null;`
`1314`	`1314`	`}`
`1315`	`1315`	`} else {`
`1316`	`1316`	frames[i] += ` [${zoneFrame.zone.name}]`;