Issue 3531. Don't allow using built-in identifier as import prefix

tests/co19/co19-compiler.status

 # Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 [ $compiler == dartc ]
 
 Language/03_Overview/1_Scoping_A02_t10: Fail # Issue 2382
-Language/03_Overview/1_Scoping_A02_t26: Fail # co19 issue 133
 Language/03_Overview/1_Scoping_A02_t27: Fail # co19 issue 135
 Language/03_Overview/1_Scoping_A02_t30: Fail # Issue 3474
 Language/03_Overview/1_Scoping_A02_t31: Fail # Issue 3474
 Language/03_Overview/1_Scoping_A03_t05: Fail # valid test?
 Language/03_Overview/2_Privacy_A01_t06: Fail # Issue 2383 
 Language/03_Overview/2_Privacy_A01_t09: Fail # Issue 2383
 Language/03_Overview/2_Privacy_A01_t10: Fail # Issue 2383
 Language/03_Overview/2_Privacy_A01_t14: Fail # Issue 2383
 Language/03_Overview/2_Privacy_A01_t19: Fail # Issue 2383
 Language/03_Overview/2_Privacy_A01_t20: Fail # Issue 2383
@@ skipping 99 matching lines @@
 Language/10_Expressions/25_Unary_Expressions_A01_t19: Fail # Issue 2437
 Language/10_Expressions/26_Postfix_Expressions_A01_t01: Fail # Issue 1489,2439
 Language/10_Expressions/26_Postfix_Expressions_A01_t02: Fail # Issue 2437
 Language/10_Expressions/27_Assignable_Expressions_A01_t09: Fail # Issue 2437
 Language/10_Expressions/27_Assignable_Expressions_A01_t26: Fail # Issue 1489
 Language/10_Expressions/27_Assignable_Expressions_A01_t27: Fail # Issue 1439
 Language/10_Expressions/28_Identifier_Reference_A04_t06: Fail # Issue 2437
 Language/10_Expressions/28_Identifier_Reference_A05_t08: Fail # Issue 3476
 Language/10_Expressions/28_Identifier_Reference_A05_t09: Fail # Issue 3476
 Language/10_Expressions/28_Identifier_Reference_A05_t10: Fail # Issue 3476
+Language/10_Expressions/28_Identifier_Reference_A06_t09: Fail # co19 issue 140
+Language/10_Expressions/28_Identifier_Reference_A06_t10: Fail # co19 issue 140
+Language/10_Expressions/28_Identifier_Reference_A06_t11: Fail # co19 issue 140
+Language/10_Expressions/28_Identifier_Reference_A06_t12: Fail # co19 issue 140
+Language/10_Expressions/28_Identifier_Reference_A07_t03: Fail # co19 issue 140
 Language/10_Expressions/29_Type_Test_A01_t04: Fail # Issue 2437
 Language/10_Expressions/29_Type_Test_A04_t01: Fail # Issue 3282
 Language/11_Statements/02_Expression_Statements_A01_t05: Fail # Issue 1489
 Language/11_Statements/02_Expression_Statements_A01_t07: Fail # Issue 1489
 Language/11_Statements/05_For_A01_t11: Fail # Issue 3323
 Language/11_Statements/08_Switch_A01_t01: Fail # Issue 2441
 Language/11_Statements/08_Switch_A01_t19: Fail # Issue 3527
 Language/11_Statements/08_Switch_A05_t01: Fail # Issue 3528
 Language/11_Statements/08_Switch_A05_t02: Fail # Issue 3528
 Language/11_Statements/08_Switch_A06_t01: Fail # Issue 3528
@@ skipping 13 matching lines @@
 Language/12_Libraries_and_Scripts/12_Libraries_and_Scripts_A04_t20: Fail # co19 Issue 109
 Language/12_Libraries_and_Scripts/12_Libraries_and_Scripts_A05_t03: Fail # Issue 2383
 Language/12_Libraries_and_Scripts/1_Imports_A02_t06: Fail # Issue 2384
 Language/12_Libraries_and_Scripts/1_Imports_A05_t01: Fail # Issue 2386
 Language/12_Libraries_and_Scripts/1_Imports_A07_t09: Fail # Issue 2387
 Language/12_Libraries_and_Scripts/2_Imports_A02_t06: Fail # Issue 3530
 Language/12_Libraries_and_Scripts/2_Imports_A02_t09: Fail # Issue 3530
 Language/12_Libraries_and_Scripts/2_Imports_A02_t10: Fail # Issue 3530
 Language/12_Libraries_and_Scripts/2_Imports_A05_t01: Fail # Issue 1774
 Language/12_Libraries_and_Scripts/2_Imports_A07_t03: Fail # Issue 1774
-Language/12_Libraries_and_Scripts/2_Imports_A07_t09: Fail # Issue 3531
 Language/12_Libraries_and_Scripts/2_Includes_A02_t02: Fail # Issue 2405
 Language/12_Libraries_and_Scripts/3_Scripts_A01_t16: Fail # co19 Issue 109, 111
 Language/12_Libraries_and_Scripts/3_Includes_A02_t02: Fail # Issue 3532
 Language/12_Libraries_and_Scripts/4_Scripts_A01_t16: Fail # co19 issue 109
 Language/13_Types/2_Dynamic_Type_System_A02_t01: Fail # Issue 2443
 Language/13_Types/3_Type_Declarations/1_Typedef_A07_t01: Fail # Issue 3534
 Language/13_Types/3_Type_Declarations/1_Typedef_A07_t02: Fail # Issue 3534
 Language/13_Types/3_Type_Declarations/1_Typedef_A07_t03: Fail # Issue 3534
 Language/13_Types/3_Type_Declarations/1_Typedef_A07_t04: Fail # Issue 3534
 Language/13_Types/4_Interface_Types_A10_t09:Fail # co19 Issue 130
 Language/13_Types/4_Interface_Types_A11_t04: Fail # Issue 2495
 Language/13_Types/5_Function_Types_A01_t08:Fail # co19 Issue 130
-Language/14_Reference/1_Lexical_Rules/1_Reserved_Words_A10_t04: Fail # Issue 2387
-Language/14_Reference/1_Lexical_Rules/1_Reserved_Words_A10_t05: Fail # Issue 2387
+
 
 LibTest/core/FallThroughError/FallThroughError_A01_t01: Fail # Issue 1269
 LibTest/core/FallThroughError/toString_A01_t01: Fail # Issue 1269
 LibTest/core/List/every_A03_t01: Skip # status change with --check-only, Promise removed (co19 Issue #79)
 LibTest/core/List/filter_A03_t01: Skip # status change with --check-only, Promise removed (co19 Issue #79)
 LibTest/core/List/some_A03_t01: Skip # status change with --check-only, Promise removed (co19 Issue #79)
 
 # The following tests use the deprecated Date interface.
 LibTest/core/Date/Date_A02_t01: Fail, Pass
 LibTest/core/Date/Date.now_A02_t01: Fail, Pass
@@ skipping 21 matching lines @@
 LibTest/core/Date/Date.fromEpoch_A01_t01: Fail, Pass
 LibTest/core/Date/Date.withTimeZone_A01_t01: Fail, Pass
 LibTest/core/Date/Date.withTimeZone_A01_t02: Fail, Pass
 LibTest/core/Date/Date.withTimeZone_A01_t03: Fail, Pass
 
 LibTest/core/TimeZone/TimeZone.local_A01_t01: Fail, Pass
 LibTest/core/TimeZone/TimeZone.utc_A01_t01: Fail, Pass
 
 [ $runtime == drt && ($compiler == none || $compiler == frog) ]
 *: Skip