Disable DCHECK for map packing in other configurations

The DCHECK seems to fail with MSVC on x86 builds. This CL disables this
DCHECK when map packing isn't enabled until we have a proper fix.

Bug: v8:11748, v8:11624
Change-Id: Iec98d161c5cd2b6a910c29287b54c8e3de017e83
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2878735Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74430}

src/compiler/raw-machine-assembler.h

@@ -178,7 +178,7 @@ class V8_EXPORT_PRIVATE RawMachineAssembler {
       MachineType type, Node* base, Node* offset,
       LoadSensitivity needs_poisoning = LoadSensitivity::kSafe) {
     CHECK_EQ(needs_poisoning, LoadSensitivity::kSafe);
-    DCHECK_IMPLIES(IsMapOffsetConstantMinusTag(offset),
+    DCHECK_IMPLIES(V8_MAP_PACKING_BOOL && IsMapOffsetConstantMinusTag(offset),
                    type == MachineType::MapInHeader());
     ObjectAccess access = {type, WriteBarrierKind::kNoWriteBarrier};
     Node* load = AddNode(simplified()->LoadFromObject(access), base, offset);