Put the type feedback vector in the unoptimized JavaScript frame.

src/arm/macro-assembler-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
@@ skipping 3866 matching lines @@
   ldr(scratch1, FieldMemOperand(current, Map::kBitField2Offset));
   DecodeField<Map::ElementsKindBits>(scratch1);
   cmp(scratch1, Operand(DICTIONARY_ELEMENTS));
   b(eq, found);
   ldr(current, FieldMemOperand(current, Map::kPrototypeOffset));
   cmp(current, Operand(factory->null_value()));
   b(ne, &loop_again);
 }
 
 
+void MacroAssembler::OSRDropVectorFromStack(int unoptimized_slot_count,
+                                            Register scratch0,
+                                            Register scratch1) {
+  if (unoptimized_slot_count > 0) {
+    Label loop_start;
+    add(scratch0, fp, Operand(JavaScriptFrameConstants::kFeedbackVectorOffset));
+    bind(&loop_start);
+    ldr(scratch1, MemOperand(scratch0, -1 * kPointerSize));
+    str(scratch1, MemOperand(scratch0, 0));
+    sub(scratch0, scratch0, Operand(kPointerSize));
+    cmp(scratch0, sp);
+    b(gt, &loop_start);
+  }
+  add(sp, sp, Operand(kPointerSize));
+}
+
+
 #ifdef DEBUG
 bool AreAliased(Register reg1,
                 Register reg2,
                 Register reg3,
                 Register reg4,
                 Register reg5,
                 Register reg6,
                 Register reg7,
                 Register reg8) {
   int n_of_valid_regs = reg1.is_valid() + reg2.is_valid() +
@@ skipping 78 matching lines @@
     }
   }
   if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM