[turbofan] Fix write barrier handling of map values.

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 b3841d0711da7d6ced3de24c4d53bd73c58407db..47dcd84bae17d64ee1a1fc66136e4467c4ff572c 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -285,11 +285,9 @@ class OutOfLineRecordWrite final : public OutOfLineCode {
     if (mode_ > RecordWriteMode::kValueIsPointer) {
       __ JumpIfSmi(value_, exit());
     }
-    if (mode_ > RecordWriteMode::kValueIsMap) {
-      __ CheckPageFlagClear(value_, scratch0_,
-                            MemoryChunk::kPointersToHereAreInterestingMask,
-                            exit());
-    }
+    __ CheckPageFlagClear(value_, scratch0_,
+                          MemoryChunk::kPointersToHereAreInterestingMask,
+                          exit());
     SaveFPRegsMode const save_fp_mode =
         frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs;
     if (!frame()->needs_frame()) {