Merged r17599 into 3.22 branch.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 86d5d2b329024b72bfb0cf9acde1ce7e78763537..615c835beaefbc2217175ff48e5a9e600c974026 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -863,10 +863,12 @@ void LChunkBuilder::VisitInstruction(HInstruction* current) {
 
   LInstruction* instr = NULL;
   if (current->CanReplaceWithDummyUses()) {
-    HValue* first_operand = current->OperandCount() == 0
-        ? graph()->GetConstant1()
-        : current->OperandAt(0);
-    instr = DefineAsRegister(new(zone()) LDummyUse(UseAny(first_operand)));
+    if (current->OperandCount() == 0) {
+      instr = DefineAsRegister(new(zone()) LDummy());
+    } else {
+      instr = DefineAsRegister(new(zone())
+          LDummyUse(UseAny(current->OperandAt(0))));
+    }
     for (int i = 1; i < current->OperandCount(); ++i) {
       LInstruction* dummy =
           new(zone()) LDummyUse(UseAny(current->OperandAt(i)));