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

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

Index: src/compiler/arm/code-generator-arm.cc
diff --git a/src/compiler/arm/code-generator-arm.cc b/src/compiler/arm/code-generator-arm.cc
index bf2ff07a77232e0d89d4f4f0ea94b5773e1f638a..574d1ed400592a372b69c040617acc60c3b14fe8 100644
--- a/src/compiler/arm/code-generator-arm.cc
+++ b/src/compiler/arm/code-generator-arm.cc
@@ -222,12 +222,17 @@ 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: