*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/alloc/trace/lsra/TraceLinearScanRegisterAllocationPhase.java	Fri Jul  7 09:30:57 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/alloc/trace/lsra/TraceLinearScanRegisterAllocationPhase.java	Fri Jul  7 09:30:57 2017

*** 23,33 ****
--- 23,33 ----
  package org.graalvm.compiler.lir.alloc.trace.lsra;
  
  import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
  import org.graalvm.compiler.core.common.alloc.Trace;
  import org.graalvm.compiler.core.common.alloc.TraceBuilderResult;
! import org.graalvm.compiler.debug.DebugContext;
  import org.graalvm.compiler.debug.Indent;
  import org.graalvm.compiler.lir.alloc.trace.lsra.TraceLinearScanPhase.TraceLinearScan;
  import org.graalvm.compiler.lir.gen.LIRGenerationResult;
  import org.graalvm.compiler.lir.gen.LIRGeneratorTool.MoveFactory;
  

*** 41,51 ****
--- 41,52 ----
          allocateRegisters(allocator);
      }
  
      @SuppressWarnings("try")
      private static void allocateRegisters(TraceLinearScan allocator) {
          try (Indent indent = Debug.logAndIndent("allocate registers")) {
+         DebugContext debug = allocator.getDebug();
+         try (Indent indent = debug.logAndIndent("allocate registers")) {
              FixedInterval precoloredIntervals = allocator.createFixedUnhandledList();
              TraceInterval notPrecoloredIntervals = allocator.createUnhandledListByFrom(TraceLinearScanPhase.IS_VARIABLE_INTERVAL);
  
              // allocate cpu registers
              TraceLinearScanWalker lsw = new TraceLinearScanWalker(allocator, precoloredIntervals, notPrecoloredIntervals);