Collect call counts for constructor calls, too.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 32b58d4cea924014c7b812986f07871ef62be3c9..c238e6120f9afeb1d2c8164af66a4d41b1e2ea7d 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -1786,6 +1786,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) {
   // r2 : feedback vector
   // r3 : slot in feedback vector (Smi)
   Label initialize, done, miss, megamorphic, not_array_function;
+  Label done_initialize_count, done_increment_count;
 
   DCHECK_EQ(*TypeFeedbackVector::MegamorphicSentinel(masm->isolate()),
             masm->isolate()->heap()->megamorphic_symbol());
@@ -1805,7 +1806,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) {
   Register weak_value = r9;
   __ ldr(weak_value, FieldMemOperand(r5, WeakCell::kValueOffset));
   __ cmp(r1, weak_value);
-  __ b(eq, &done);
+  __ b(eq, &done_increment_count);
   __ CompareRoot(r5, Heap::kmegamorphic_symbolRootIndex);
   __ b(eq, &done);
   __ ldr(feedback_map, FieldMemOperand(r5, HeapObject::kMapOffset));
@@ -1828,7 +1829,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) {
   __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, r5);
   __ cmp(r1, r5);
   __ b(ne, &megamorphic);
-  __ jmp(&done);
+  __ jmp(&done_increment_count);
 
   __ bind(&miss);
 
@@ -1857,11 +1858,28 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) {
   // slot.
   CreateAllocationSiteStub create_stub(masm->isolate());
   CallStubInRecordCallTarget(masm, &create_stub);
-  __ b(&done);
+  __ b(&done_initialize_count);
 
   __ bind(&not_array_function);
   CreateWeakCellStub weak_cell_stub(masm->isolate());
   CallStubInRecordCallTarget(masm, &weak_cell_stub);
+
+  __ bind(&done_initialize_count);
+  // Initialize the call counter.
+  __ Move(r5, Operand(Smi::FromInt(1)));
+  __ add(r4, r2, Operand::PointerOffsetFromSmiKey(r3));
+  __ str(r5, FieldMemOperand(r4, FixedArray::kHeaderSize + kPointerSize));
+  __ b(&done);
+
+  __ bind(&done_increment_count);
+
+  // Increment the call count for monomorphic function calls.
+  __ add(r5, r2, Operand::PointerOffsetFromSmiKey(r3));
+  __ add(r5, r5, Operand(FixedArray::kHeaderSize + kPointerSize));
+  __ ldr(r4, FieldMemOperand(r5, 0));
+  __ add(r4, r4, Operand(Smi::FromInt(1)));
+  __ str(r4, FieldMemOperand(r5, 0));
+
   __ bind(&done);
 }