--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TypeEnter.java	Wed Jun 24 15:15:56 2015 -0700
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TypeEnter.java	Sun Jun 28 12:58:24 2015 +0530
@@ -218,6 +218,7 @@
             resolve.run();
             chk.checkImportsUnique(toplevel);
             chk.checkImportsResolvable(toplevel);
+            chk.checkImportedPackagesObservable(toplevel);
             toplevel.namedImportScope.finalizeScope();
             toplevel.starImportScope.finalizeScope();
         } finally {
@@ -323,7 +324,10 @@
                                          chk.importAccessible(sym, packge);
 
                 // Import-on-demand java.lang.
-                importAll(tree.pos, syms.enterPackage(names.java_lang), env);
+                PackageSymbol javaLang = syms.enterPackage(names.java_lang);
+                if (javaLang.members().isEmpty() && !javaLang.exists())
+                    throw new FatalError(diags.fragment("fatal.err.no.java.lang"));
+                importAll(tree.pos, javaLang, env);
 
                 // Process the package def and all import clauses.
                 if (tree.getPackage() != null)
@@ -414,16 +418,6 @@
         private void importAll(int pos,
                                final TypeSymbol tsym,
                                Env<AttrContext> env) {
-            // Check that packages imported from exist (JLS ???).
-            if (tsym.kind == PCK && tsym.members().isEmpty() && !tsym.exists()) {
-                // If we can't find java.lang, exit immediately.
-                if (((PackageSymbol)tsym).fullname.equals(names.java_lang)) {
-                    JCDiagnostic msg = diags.fragment("fatal.err.no.java.lang");
-                    throw new FatalError(msg);
-                } else {
-                    log.error(DiagnosticFlag.RESOLVE_ERROR, pos, "doesnt.exist", tsym);
-                }
-            }
             env.toplevel.starImportScope.importAll(types, tsym.members(), typeImportFilter, false);
         }