1 files changed, 11 insertions, 5 deletions
diff --git a/src/postamble.js b/src/postamble.js
index bb1e334c..b90049bc 100644
--- a/src/postamble.js
+++ b/src/postamble.js
@@ -48,10 +48,6 @@ Module['callMain'] = Module.callMain = function callMain(args) {
 
   args = args || [];
 
-  if (ENVIRONMENT_IS_WEB && preloadStartTime !== null) {
-    Module.printErr('preload time: ' + (Date.now() - preloadStartTime) + ' ms');
-  }
-
   ensureInitRuntime();
 
   var argc = args.length+1;
@@ -130,6 +126,10 @@ function run(args) {
 
     preMain();
 
+    if (ENVIRONMENT_IS_WEB && preloadStartTime !== null) {
+      Module.printErr('pre-main prep time: ' + (Date.now() - preloadStartTime) + ' ms');
+    }
+
     if (Module['_main'] && shouldRunNow) {
       Module['callMain'](args);
     }
@@ -181,7 +181,13 @@ function abort(text) {
   ABORT = true;
   EXITSTATUS = 1;
 
-  throw 'abort() at ' + stackTrace();
+#if ASSERTIONS == 0
+  var extra = '\nIf this abort() is unexpected, build with -s ASSERTIONS=1 which can give more information.';
+#else
+  var extra = '';
+#endif
+
+  throw 'abort() at ' + stackTrace() + extra;
 }
 Module['abort'] = Module.abort = abort;