Make "as" a built-in identifier aka pseudo keyword

runtime/vm/intrinsifier.h

 // 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.
 // Class for intrinsifying functions.
 
 #ifndef VM_INTRINSIFIER_H_
 #define VM_INTRINSIFIER_H_
 
 #include "vm/allocation.h"
 
@@ skipping 15 matching lines @@
   V(_Double, +, Double_add, 295873577)                                         \
   V(_Double, -, Double_sub, 1180117486)                                        \
   V(_Double, *, Double_mul, 1999983053)                                        \
   V(_Double, /, Double_div, 1904009451)                                        \
   V(_Double, get:isNaN, Double_getIsNaN, 916506740)                            \
   V(_Double, get:isNegative, Double_getIsNegative, 1711332287)                 \
   V(_Double, _mulFromInteger, Double_mulFromInteger, 930284178)                \
   V(_Double, .fromInteger, Double_fromInteger, 475441744)                      \
   V(_ObjectArray, ., ObjectArray_Allocate, 1930677134)                         \
   V(_ObjectArray, get:length, Array_getLength, 259323113)                      \
-  V(_ObjectArray, [], Array_getIndexed, 93386978)                              \
-  V(_ObjectArray, []=, Array_setIndexed, 1296046137)                           \
+  V(_ObjectArray, [], Array_getIndexed, 1353366945)                            \
+  V(_ObjectArray, []=, Array_setIndexed, 1492559642)                           \
   V(_GrowableObjectArray, .withData, GrowableArray_Allocate, 1012992871)       \
   V(_GrowableObjectArray, get:length, GrowableArray_getLength, 1160357614)     \
   V(_GrowableObjectArray, get:_capacity, GrowableArray_getCapacity, 1509781988)\
-  V(_GrowableObjectArray, [], GrowableArray_getIndexed, 500679426)             \
-  V(_GrowableObjectArray, []=, GrowableArray_setIndexed, 211112998)            \
+  V(_GrowableObjectArray, [], GrowableArray_getIndexed, 1760659393)            \
+  V(_GrowableObjectArray, []=, GrowableArray_setIndexed, 407626503)            \
   V(_GrowableObjectArray, _setLength, GrowableArray_setLength, 1922121178)     \
   V(_GrowableObjectArray, _setData, GrowableArray_setData, 236295352)          \
   V(_GrowableObjectArray, add, GrowableArray_add, 1442410650)                  \
-  V(_ImmutableArray, [], ImmutableArray_getIndexed, 894753724)                 \
+  V(_ImmutableArray, [], ImmutableArray_getIndexed, 7250043)                   \
   V(_ImmutableArray, get:length, ImmutableArray_getLength, 1341942416)         \
   V(Object, ==, Object_equal, 677817295)                                       \
   V(_StringBase, get:hashCode, String_getHashCode, 654483446)                  \
   V(_StringBase, get:isEmpty, String_getIsEmpty, 1588094430)                   \
   V(_StringBase, get:length, String_getLength, 1483460481)                     \
   V(_StringBase, codeUnitAt, String_codeUnitAt, 1958436584)                    \
   V(_OneByteString, get:hashCode, OneByteString_getHashCode, 1236404434)       \
   V(_OneByteString, _substringUncheckedNative,                                 \
       OneByteString_substringUnchecked, 25652388)                              \
   V(_OneByteString, _setAt, OneByteString_setAt, 1754827784)                   \
@@ skipping 97 matching lines @@
   CORE_INTEGER_LIB_INTRINSIC_LIST(DECLARE_FUNCTION)
   MATH_LIB_INTRINSIC_LIST(DECLARE_FUNCTION)
   TYPED_DATA_LIB_INTRINSIC_LIST(DECLARE_FUNCTION)
 
 #undef DECLARE_FUNCTION
 };
 
 }  // namespace dart
 
 #endif  // VM_INTRINSIFIER_H_