[turbofan] fix deopt's input life span

src/compiler/arm/instruction-selector-arm.cc

Index: src/compiler/arm/instruction-selector-arm.cc
diff --git a/src/compiler/arm/instruction-selector-arm.cc b/src/compiler/arm/instruction-selector-arm.cc
index 42960c7837f1ee144a6013c811b1c742c74dad9e..f08d623681ad6f51de26cac15b2cee1b07760c89 100644
--- a/src/compiler/arm/instruction-selector-arm.cc
+++ b/src/compiler/arm/instruction-selector-arm.cc
@@ -252,14 +252,7 @@ void VisitBinop(InstructionSelector* selector, Node* node,
     inputs[input_count++] = g.Label(cont->false_block());
   }
 
-  if (cont->IsDeoptimize()) {
-    // If we can deoptimize as a result of the binop, we need to make sure that
-    // the deopt inputs are not overwritten by the binop result. One way
-    // to achieve that is to declare the output register as same-as-first.
-    outputs[output_count++] = g.DefineSameAsFirst(node);
-  } else {
-    outputs[output_count++] = g.DefineAsRegister(node);
-  }
+  outputs[output_count++] = g.DefineAsRegister(node);
   if (cont->IsSet()) {
     outputs[output_count++] = g.DefineAsRegister(cont->result());
   }