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

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 3ed7b12a37426cd32a558262a662876a1b1136dd..1ab8e40641b920451c954d671beb3f637e208c52 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -2703,18 +2703,6 @@ void CallICStub::Generate(MacroAssembler* masm) {
   __ CompareRoot(r4, Heap::kuninitialized_symbolRootIndex);
   __ b(eq, &miss);
 
-  if (!FLAG_trace_ic) {
-    // We are going megamorphic. If the feedback is a JSFunction, it is fine
-    // to handle it here. More complex cases are dealt with in the runtime.
-    __ AssertNotSmi(r4);
-    __ CompareObjectType(r4, r5, r5, JS_FUNCTION_TYPE);
-    __ b(ne, &miss);
-    __ add(r4, r2, Operand::PointerOffsetFromSmiKey(r3));
-    __ LoadRoot(ip, Heap::kmegamorphic_symbolRootIndex);
-    __ str(ip, FieldMemOperand(r4, FixedArray::kHeaderSize));
-    __ jmp(&slow_start);
-  }
-
   // We are here because tracing is on or we are going monomorphic.
   __ bind(&miss);
   GenerateMiss(masm);