Remove dart backend

test/dart_codegen/expect/math/rectangle.dart

Index: test/dart_codegen/expect/math/rectangle.dart
diff --git a/test/dart_codegen/expect/math/rectangle.dart b/test/dart_codegen/expect/math/rectangle.dart
deleted file mode 100644
index e8f319bf83f02de51f717d82b1c266fec05180d5..0000000000000000000000000000000000000000
--- a/test/dart_codegen/expect/math/rectangle.dart
+++ /dev/null
@@ -1,88 +0,0 @@
-part of dart.math;
- abstract class _RectangleBase<T extends num> {const _RectangleBase();
- T get left;
- T get top;
- T get width;
- T get height;
- T get right => ((__x7) => DEVC$RT.cast(__x7, num, T, "CompositeCast", """line 33, column 18 of dart:math/rectangle.dart: """, __x7 is T, false))(left + width);
- T get bottom => ((__x8) => DEVC$RT.cast(__x8, num, T, "CompositeCast", """line 35, column 19 of dart:math/rectangle.dart: """, __x8 is T, false))(top + height);
- String toString() {
-  return 'Rectangle ($left, $top) $width x $height';
-  }
- bool operator ==(other) {
-  if (other is! Rectangle) return false;
-   return left == other.left && top == other.top && right == other.right && bottom == other.bottom;
-  }
- int get hashCode => _JenkinsSmiHash.hash4(left.hashCode, top.hashCode, right.hashCode, bottom.hashCode);
- Rectangle<T> intersection(Rectangle<T> other) {
-  var x0 = max(left, other.left);
-   var x1 = min(left + width, other.left + other.width);
-   if (x0 <= x1) {
-    var y0 = max(top, other.top);
-     var y1 = min(top + height, other.top + other.height);
-     if (y0 <= y1) {
-      return new Rectangle<T>(DEVC$RT.cast(x0, num, T, "CompositeCast", """line 68, column 33 of dart:math/rectangle.dart: """, x0 is T, false), DEVC$RT.cast(y0, num, T, "CompositeCast", """line 68, column 37 of dart:math/rectangle.dart: """, y0 is T, false), ((__x9) => DEVC$RT.cast(__x9, num, T, "CompositeCast", """line 68, column 41 of dart:math/rectangle.dart: """, __x9 is T, false))(x1 - x0), ((__x10) => DEVC$RT.cast(__x10, num, T, "CompositeCast", """line 68, column 50 of dart:math/rectangle.dart: """, __x10 is T, false))(y1 - y0));
-      }
-    }
-   return null;
-  }
- bool intersects(Rectangle<num> other) {
-  return (left <= other.left + other.width && other.left <= left + width && top <= other.top + other.height && other.top <= top + height);
-  }
- Rectangle<T> boundingBox(Rectangle<T> other) {
-  var right = max(this.left + this.width, other.left + other.width);
-   var bottom = max(this.top + this.height, other.top + other.height);
-   var left = min(this.left, other.left);
-   var top = min(this.top, other.top);
-   return new Rectangle<T>(DEVC$RT.cast(left, num, T, "CompositeCast", """line 95, column 29 of dart:math/rectangle.dart: """, left is T, false), DEVC$RT.cast(top, num, T, "CompositeCast", """line 95, column 35 of dart:math/rectangle.dart: """, top is T, false), ((__x11) => DEVC$RT.cast(__x11, num, T, "CompositeCast", """line 95, column 40 of dart:math/rectangle.dart: """, __x11 is T, false))(right - left), ((__x12) => DEVC$RT.cast(__x12, num, T, "CompositeCast", """line 95, column 54 of dart:math/rectangle.dart: """, __x12 is T, false))(bottom - top));
-  }
- bool containsRectangle(Rectangle<num> another) {
-  return left <= another.left && left + width >= another.left + another.width && top <= another.top && top + height >= another.top + another.height;
-  }
- bool containsPoint(Point<num> another) {
-  return another.x >= left && another.x <= left + width && another.y >= top && another.y <= top + height;
-  }
- Point<T> get topLeft => new Point<T>(this.left, this.top);
- Point<T> get topRight => new Point<T>(((__x13) => DEVC$RT.cast(__x13, num, T, "CompositeCast", """line 119, column 41 of dart:math/rectangle.dart: """, __x13 is T, false))(this.left + this.width), this.top);
- Point<T> get bottomRight => new Point<T>(((__x14) => DEVC$RT.cast(__x14, num, T, "CompositeCast", """line 120, column 44 of dart:math/rectangle.dart: """, __x14 is T, false))(this.left + this.width), ((__x15) => DEVC$RT.cast(__x15, num, T, "CompositeCast", """line 121, column 7 of dart:math/rectangle.dart: """, __x15 is T, false))(this.top + this.height));
- Point<T> get bottomLeft => new Point<T>(this.left, ((__x16) => DEVC$RT.cast(__x16, num, T, "CompositeCast", """line 123, column 7 of dart:math/rectangle.dart: """, __x16 is T, false))(this.top + this.height));
-}
- class Rectangle<T extends num> extends _RectangleBase<T> {final T left;
- final T top;
- final T width;
- final T height;
- const Rectangle(this.left, this.top, T width, T height) : this.width = (width < 0) ? -width * 0 : width, this.height = (height < 0) ? -height * 0 : height;
- factory Rectangle.fromPoints(Point<T> a, Point<T> b) {
-T left = ((__x17) => DEVC$RT.cast(__x17, num, T, "CompositeCast", """line 167, column 14 of dart:math/rectangle.dart: """, __x17 is T, false))(min(a.x, b.x));
- T width = ((__x18) => DEVC$RT.cast(__x18, num, T, "CompositeCast", """line 168, column 15 of dart:math/rectangle.dart: """, __x18 is T, false))(max(a.x, b.x) - left);
- T top = ((__x19) => DEVC$RT.cast(__x19, num, T, "CompositeCast", """line 169, column 13 of dart:math/rectangle.dart: """, __x19 is T, false))(min(a.y, b.y));
- T height = ((__x20) => DEVC$RT.cast(__x20, num, T, "CompositeCast", """line 170, column 16 of dart:math/rectangle.dart: """, __x20 is T, false))(max(a.y, b.y) - top);
- return new Rectangle<T>(left, top, width, height);
-}
-}
- class MutableRectangle<T extends num> extends _RectangleBase<T> implements Rectangle<T> {T left;
- T top;
- T _width;
- T _height;
- MutableRectangle(this.left, this.top, T width, T height) : this._width = ((__x21) => DEVC$RT.cast(__x21, dynamic, T, "CompositeCast", """line 212, column 23 of dart:math/rectangle.dart: """, __x21 is T, false))((width < 0) ? _clampToZero(width) : width), this._height = ((__x22) => DEVC$RT.cast(__x22, dynamic, T, "CompositeCast", """line 213, column 24 of dart:math/rectangle.dart: """, __x22 is T, false))((height < 0) ? _clampToZero(height) : height);
- factory MutableRectangle.fromPoints(Point<T> a, Point<T> b) {
-T left = ((__x23) => DEVC$RT.cast(__x23, num, T, "CompositeCast", """line 228, column 14 of dart:math/rectangle.dart: """, __x23 is T, false))(min(a.x, b.x));
- T width = ((__x24) => DEVC$RT.cast(__x24, num, T, "CompositeCast", """line 229, column 15 of dart:math/rectangle.dart: """, __x24 is T, false))(max(a.x, b.x) - left);
- T top = ((__x25) => DEVC$RT.cast(__x25, num, T, "CompositeCast", """line 230, column 13 of dart:math/rectangle.dart: """, __x25 is T, false))(min(a.y, b.y));
- T height = ((__x26) => DEVC$RT.cast(__x26, num, T, "CompositeCast", """line 231, column 16 of dart:math/rectangle.dart: """, __x26 is T, false))(max(a.y, b.y) - top);
- return new MutableRectangle<T>(left, top, width, height);
-}
- T get width => _width;
- void set width(T width) {
-if (width < 0) width = ((__x27) => DEVC$RT.cast(__x27, num, T, "CompositeCast", """line 247, column 28 of dart:math/rectangle.dart: """, __x27 is T, false))(_clampToZero(width));
- _width = width;
-}
- T get height => _height;
- void set height(T height) {
-if (height < 0) height = ((__x28) => DEVC$RT.cast(__x28, num, T, "CompositeCast", """line 263, column 30 of dart:math/rectangle.dart: """, __x28 is T, false))(_clampToZero(height));
- _height = height;
-}
-}
- num _clampToZero(num value) {
-assert (value < 0); return -value * 0;
-}