*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/alloc/trace/lsra/TraceLinearScanAssignLocationsPhase.java	Fri Jul  7 09:30:55 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/alloc/trace/lsra/TraceLinearScanAssignLocationsPhase.java	Fri Jul  7 09:30:55 2017

*** 36,46 ****
--- 36,46 ----
  
  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.core.common.cfg.AbstractBlockBase;
! import org.graalvm.compiler.debug.DebugContext;
  import org.graalvm.compiler.debug.GraalError;
  import org.graalvm.compiler.debug.Indent;
  import org.graalvm.compiler.lir.ConstantValue;
  import org.graalvm.compiler.lir.InstructionValueProcedure;
  import org.graalvm.compiler.lir.LIRInstruction;

*** 163,173 ****
--- 163,174 ----
              return result;
          }
  
          @SuppressWarnings("try")
          private void assignBlock(AbstractBlockBase<?> block) {
              try (Indent indent2 = Debug.logAndIndent("assign locations in block B%d", block.getId())) {
+             DebugContext debug = allocator.getDebug();
+             try (Indent indent2 = debug.logAndIndent("assign locations in block B%d", block.getId())) {
                  ArrayList<LIRInstruction> instructions = allocator.getLIR().getLIRforBlock(block);
                  handleBlockBegin(block, instructions);
                  int numInst = instructions.size();
                  boolean hasDead = false;
  

*** 310,320 ****
--- 311,321 ----
              return false;
          }
  
          @SuppressWarnings("try")
          private void assign() {
!             try (Indent indent = allocator.getDebug().logAndIndent("assign locations")) {
                  for (AbstractBlockBase<?> block : allocator.sortedBlocks()) {
                      assignBlock(block);
                  }
              }
          }