Run co19 language tests on leg.

dart/frog/leg/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.
 
 class Interceptors {
   Compiler compiler;
   Interceptors(Compiler this.compiler);
 
   SourceString mapOperatorToMethodName(Operator op) {
     String name = op.source.stringValue;
@@ skipping 704 matching lines @@
     HBasicBlock conditionExitBlock = close(new HLoopBranch(popBoolified()));
 
     Map conditionDefinitions = localsHandler.getDefinitionsCopy();
 
     // The body.
     HBasicBlock bodyBlock = addNewBlock();
     conditionExitBlock.addSuccessor(bodyBlock);
     open(bodyBlock);
     visit(body);
     if (isAborted()) {
-      compiler.unimplemented("SsaBuilder for loop with aborting body");
+      compiler.unimplemented("SsaBuilder for loop with aborting body",
+                             node: body);
     }
     bodyBlock = close(new HGoto());
 
     // Update.
     // We create an update block, even when we are in a while loop. There the
     // update block is the jump-target for continue statements. We could avoid
     // the creation if there is no continue, but for now we always create it.
     HBasicBlock updateBlock = addNewBlock();
     bodyBlock.addSuccessor(updateBlock);
     open(updateBlock);
@@ skipping 1063 matching lines @@
   }
 
   visitCatchBlock(CatchBlock node) {
     compiler.unimplemented('SsaBuilder.visitCatchBlock', node: node);
   }
 
   visitTypedef(Typedef node) {
     compiler.unimplemented('SsaBuilder.visitTypedef', node: node);
   }
 }