For Doubl erounding call C-function instead of attempting to inline it. Fixes issue 8760.

sdk/lib/scalarlist/simd128.dart

 // 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.
 
 part of dart.scalarlist;
 
 /**
  * Interface of Dart Float32x4 and operations.
  * Float32x4 stores 4 32-bit floating point values in "lanes".
  * The lanes are "x", "y", "z", and "w" respectively.
@@ skipping 129 matching lines @@
   /// Returns a new [Uint32x4] copied from [this] with a new y value.
   Uint32x4 withFlagY(bool y);
   /// Returns a new [Uint32x4] copied from [this] with a new z value.
   Uint32x4 withFlagZ(bool z);
   /// Returns a new [Uint32x4] copied from [this] with a new w value.
   Uint32x4 withFlagW(bool w);
 
   /// Merge [trueValue] and [falseValue] based on [this]' bit mask:
   /// Select bit from [trueValue] when bit in [this] is on.
   /// Select bit from [falseValue] when bit in [this] is off.
-  Float32x4 select(Float32x4 trueValue,
-                          Float32x4 falseValue);
+  Float32x4 select(Float32x4 trueValue, Float32x4 falseValue);
 
   /// Returns a bit-wise copy of [this] as a [Float32x4].
   Float32x4 toFloat32x4();
 }
 
 /**
  * A fixed-length list of Float32x4 numbers that is viewable as a
  * [ByteArray]. For long lists, this implementation will be considerably more
  * space- and time-efficient than the default [List] implementation.
  */
@@ skipping 18 matching lines @@
    * [start] of the region is not divisible by 16. If, however, [array] is a
    * view of another byte array, this constructor will throw [ArgumentError]
    * if the implicit starting position in the "ultimately backing" byte array
    * is not divisible by 16. In plain terms, this constructor throws
    * [ArgumentError] if the specified region does not contain an integral
    * number of "Float32x4s," or if it is not "Float32x4-aligned."
    */
   external factory Float32x4List.view(ByteArray array,
                                       [int start = 0, int length]);
 }