[instruction scheduler] fix ArchDebugBreak.

src/compiler/instruction-scheduler.cc

Index: src/compiler/instruction-scheduler.cc
diff --git a/src/compiler/instruction-scheduler.cc b/src/compiler/instruction-scheduler.cc
index 55f738bc0df296308716ad0f73139d30b039e804..83d163775dc41d91cd925a5516f5e95df471f754 100644
--- a/src/compiler/instruction-scheduler.cc
+++ b/src/compiler/instruction-scheduler.cc
@@ -244,7 +244,6 @@ int InstructionScheduler::GetInstructionFlags(const Instruction* instr) const {
     case kArchParentFramePointer:
     case kArchTruncateDoubleToI:
     case kArchStackSlot:
-    case kArchDebugBreak:
     case kArchComment:
     case kIeee754Float64Acos:
     case kIeee754Float64Acosh:
@@ -292,6 +291,7 @@ int InstructionScheduler::GetInstructionFlags(const Instruction* instr) const {
     case kArchLookupSwitch:
     case kArchTableSwitch:
     case kArchRet:
+    case kArchDebugBreak:
     case kArchThrowTerminator:
       return kIsBlockTerminator;