Fix issue 20190: Mark Uint32/Int32 typed data load to produce a Mint always

runtime/vm/intermediate_language.cc

 // Copyright (c) 2013, 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.
 
 #include "vm/intermediate_language.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/bit_vector.h"
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
@@ skipping 3102 matching lines @@
       break;
     case kTypedDataInt16ArrayCid:
       range_ = new Range(RangeBoundary::FromConstant(-32768),
                          RangeBoundary::FromConstant(32767));
       break;
     case kTypedDataUint16ArrayCid:
       range_ = new Range(RangeBoundary::FromConstant(0),
                          RangeBoundary::FromConstant(65535));
       break;
     case kTypedDataInt32ArrayCid:
-      if (CanDeoptimize()) {
+      if (Typed32BitIsSmi()) {
         range_ = Range::UnknownSmi();
       } else {
         range_ = new Range(RangeBoundary::FromConstant(kMinInt32),
                            RangeBoundary::FromConstant(kMaxInt32));
       }
       break;
     case kTypedDataUint32ArrayCid:
-      if (CanDeoptimize()) {
+      if (Typed32BitIsSmi()) {
         range_ = Range::UnknownSmi();
       } else {
         range_ = new Range(RangeBoundary::FromConstant(0),
                            RangeBoundary::FromConstant(kMaxUint32));
       }
       break;
     case kOneByteStringCid:
       range_ = new Range(RangeBoundary::FromConstant(0),
                          RangeBoundary::FromConstant(0xFF));
       break;
@@ skipping 967 matching lines @@
     case Token::kTRUNCDIV: return 0;
     case Token::kMOD: return 1;
     default: UNIMPLEMENTED(); return -1;
   }
 }
 
 
 #undef __
 
 }  // namespace dart