[Turbofan] Save and restore lr in OutOfLineRecordWrite when frame is elided.

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index 37d3161dc4870cf71137a2398251e0dce5834e52..8b9f3b624231ba72b12f040035bea2a55fe78d34 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -292,12 +292,17 @@ class OutOfLineRecordWrite final : public OutOfLineCode {
     }
     SaveFPRegsMode const save_fp_mode =
         frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs;
-    // TODO(turbofan): Once we get frame elision working, we need to save
-    // and restore lr properly here if the frame was elided.
+    if (!frame()->needs_frame()) {
+      // We need to save and restore lr if the frame was elided.
+      __ Push(lr);
+    }
     RecordWriteStub stub(isolate(), object_, scratch0_, scratch1_,
                          EMIT_REMEMBERED_SET, save_fp_mode);
     __ Add(scratch1_, object_, index_);
     __ CallStub(&stub);
+    if (!frame()->needs_frame()) {
+      __ Pop(lr);
+    }
   }
 
  private: