content: /*
   * Copyright (C) 2015 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  class Main {
    public static void main(String[] args) {
      foo();
    }
  
    public static void foo() {
      int a = myField1; // esi
      int b = myField2; // edi
      $noinline$bar(); // makes allocation of a and b to be callee-save registers
      int c = myField3; // ecx
      int e = myField4; // ebx
      int f = myField5; // edx
      long d = a == 42 ? myLongField1 : 42L; // Will call AllocateBlockedReg -> edx/ebx
  
      // At this point, the register allocator used to be in a bogus state, where the low
      // part of the interval was in the active set, but not the high part.
  
      long i = myLongField1; // Will call TrySplitNonPairOrUnalignedPairIntervalAt -> Failing DCHECK
  
      // Use esi and edi first to not have d allocated to them.
      myField2 = a;
      myField3 = b;
  
      // The following sequence of instructions are making the AllocateBlockedReg call
      // for allocating the d variable misbehave: allocation of the low interval would split
      // both low and high interval at the fixed use; therefore the allocation of the high interval
      // would not see the register use, and think the interval can just be spilled and not be
      // put in the active set, even though it is holding a register.
      myField1 = (int)d; // stack use
      myLongField3 = (long) myField2; // edx fixed use
      myLongField2 = d; // register use
  
      // Ensure the HInstruction mapping to i, c, e, and f have a live range.
      myLongField1 = i;
      myField4 = c;
      myField5 = e;
      myField6 = f;
    }
  
    public static long $noinline$bar() {
      if (doThrow) throw new Error();
      return 42;
    }
  
    public static boolean doThrow = false;
  
    public static int myField1 = 0;
    public static int myField2 = 0;
    public static int myField3 = 0;
    public static int myField4 = 0;
    public static int myField5 = 0;
    public static int myField6 = 0;
    public static long myLongField1 = 0L;
    public static long myLongField2 = 0L;
    public static long myLongField3 = 0L;
  }
  