Put the type feedback vector in the unoptimized JavaScript frame.

src/arm64/macro-assembler-arm64.cc

Index: src/arm64/macro-assembler-arm64.cc
diff --git a/src/arm64/macro-assembler-arm64.cc b/src/arm64/macro-assembler-arm64.cc
index 8b559755a0bdde64d32145e3e493791205a23e3a..12b1f2a5d1c6629da52b0a27b4d582a31c9d8cf3 100644
--- a/src/arm64/macro-assembler-arm64.cc
+++ b/src/arm64/macro-assembler-arm64.cc
@@ -4550,6 +4550,24 @@ void MacroAssembler::JumpIfDictionaryInPrototypeChain(
 }
 
 
+void MacroAssembler::OSRDropVectorFromStack(int unoptimized_slot_count,
+                                            Register scratch0,
+                                            Register scratch1) {
+  DCHECK(jssp.Is(__ StackPointer()));
+  if (unoptimized_slot_count > 0) {
+    Label loop_start;
+    Add(scratch0, fp, JavaScriptFrameConstants::kFeedbackVectorOffset);
+    bind(&loop_start);
+    Ldr(scratch1, MemOperand(scratch0, -1 * kPointerSize));
+    Str(scratch1, MemOperand(scratch0, 0));
+    Sub(scratch0, scratch0, kPointerSize);
+    Cmp(scratch0, jssp);
+    B(gt, &loop_start);
+  }
+  Add(jssp, jssp, kPointerSize);
+}
+
+
 void MacroAssembler::GetRelocatedValueLocation(Register ldr_location,
                                                Register result) {
   DCHECK(!result.Is(ldr_location));