vector-based ICs did not update type feedback counts correctly.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 369f7146eb1aef781c05f1f6252a5fc2e99ea17c..2622c386dae5705acfdc58b23df973cd2d13827e 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -1194,7 +1194,8 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
 
   __ Move(r1, FeedbackVector());
   __ mov(r2, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate())));
-  __ str(r2, FieldMemOperand(r1, FixedArray::OffsetOfElementAt(slot.ToInt())));
+  int vector_index = FeedbackVector()->GetIndex(slot);
+  __ str(r2, FieldMemOperand(r1, FixedArray::OffsetOfElementAt(vector_index)));
 
   __ mov(r1, Operand(Smi::FromInt(1)));  // Smi indicates slow check
   __ ldr(r2, MemOperand(sp, 0 * kPointerSize));  // Get enumerated object
@@ -2898,9 +2899,7 @@ void FullCodeGenerator::EmitCall(Call* expr, CallICState::CallType call_type) {
       isolate(), arg_count, call_type);
   __ mov(r3, Operand(SmiFromSlot(expr->CallFeedbackSlot())));
   __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize));
-  // Don't assign a type feedback id to the IC, since type feedback is provided
-  // by the vector above.
-  CallIC(ic);
+  CallIC(ic, TypeFeedbackId(expr->CallFeedbackSlot().ToInt()));
 
   RecordJSReturnSite(expr);
   // Restore context register.