[crankshaft] Remove useless HCallJSFunction instruction.

src/crankshaft/arm/lithium-codegen-arm.cc

Index: src/crankshaft/arm/lithium-codegen-arm.cc
diff --git a/src/crankshaft/arm/lithium-codegen-arm.cc b/src/crankshaft/arm/lithium-codegen-arm.cc
index ef53fbc82a350eb03bca5bd7b25820793d8b6ef1..4634fcc9d42c3d16b02221a30b1c8439d4aaae4a 100644
--- a/src/crankshaft/arm/lithium-codegen-arm.cc
+++ b/src/crankshaft/arm/lithium-codegen-arm.cc
@@ -3639,25 +3639,6 @@ void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) {
 }
 
 
-void LCodeGen::DoCallJSFunction(LCallJSFunction* instr) {
-  DCHECK(ToRegister(instr->function()).is(r1));
-  DCHECK(ToRegister(instr->result()).is(r0));
-
-  // Change context.
-  __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
-
-  // Always initialize new target and number of actual arguments.
-  __ LoadRoot(r3, Heap::kUndefinedValueRootIndex);
-  __ mov(r0, Operand(instr->arity()));
-
-  // Load the code entry address
-  __ ldr(ip, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
-  __ Call(ip);
-
-  RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT);
-}
-
-
 void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->constructor()).is(r1));