Changes "is" and equality checks to strictly check for primitive types, fix a couple of

compiler/lib/implementation/string.dart

Index: compiler/lib/implementation/string.dart
===================================================================
--- compiler/lib/implementation/string.dart	(revision 400)
+++ compiler/lib/implementation/string.dart	(working copy)
@@ -145,7 +145,8 @@
     while (ix < str.length) {
       int foundIx = str.indexOf(this, ix);
       if (foundIx < 0) break;
-      result.add(new _StringMatch(foundIx, str, this));
+      // call "toString" to coerse the "this" back to a primitive string

[floitsch, 2011/10/14 20:20:44]

Call ... coerce ... string. (finish with dot).

[John Lenz, 2011/10/14 21:26:40]

Done.

+      result.add(new _StringMatch(foundIx, str, this.toString()));
       ix = foundIx + length;
     }
     return result;
@@ -184,6 +185,8 @@
   String _replace(Pattern from, String to) native;
   String _replaceAll(Pattern from, String to) native;
   Array<String> _split(Pattern pattern) native;
+
+  get dynamic() { return toString(); }
 }
 
 class _StringJsUtil {