Fix crash in compiler when we are generating a bailout method where a loop contains continue/break/…

sdk/lib/_internal/compiler/implementation/ssa/builder.dart

 // 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.
 
 part of ssa;
 
 /**
  * A special element for the extra parameter taken by intercepted
  * methods. We need to override [Element.computeType] because our
  * optimizers may look at its declared type.
@@ skipping 2031 matching lines @@
       close(new HGoto());
       avoidCriticalEdge.addSuccessor(loopEntryBlock); // The back-edge.
 
       conditionExpression =
           new SubExpression(conditionBlock, conditionEndBlock);
     }
 
     endLoop(loopEntryBlock, conditionEndBlock, jumpHandler, localsHandler);
     if (!isAbortingBody || hasContinues) {
       loopEntryBlock.postProcessLoopHeader();
-      SubGraph bodyGraph = new SubGraph(bodyEntryBlock, bodyExitBlock);
+      SubGraph bodyGraph = new SubGraph(loopEntryBlock, bodyExitBlock);
       HLoopBlockInformation loopBlockInfo =
           new HLoopBlockInformation(
               HLoopBlockInformation.DO_WHILE_LOOP,
               null,
               wrapExpressionGraph(conditionExpression),
               wrapStatementGraph(bodyGraph),
               null,
               loopEntryBlock.loopInformation.target,
               loopEntryBlock.loopInformation.labels,
               sourceFileLocationForBeginToken(node),
@@ skipping 2891 matching lines @@
           new HSubGraphBlockInformation(elseBranch.graph));
 
     HBasicBlock conditionStartBlock = conditionBranch.block;
     conditionStartBlock.setBlockFlow(info, joinBlock);
     SubGraph conditionGraph = conditionBranch.graph;
     HIf branch = conditionGraph.end.last;
     assert(branch is HIf);
     branch.blockInformation = conditionStartBlock.blockFlow;
   }
 }