[codegen,x64] Fix off-by-one error in AssertZeroExtended

Change-Id: Ie7b9323d7491d1105a8a5b14b341ab023b0a59eb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2078572
Auto-Submit: Georg Neis <neis@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66484}

src/codegen/x64/macro-assembler-x64.cc

@@ -2078,7 +2078,7 @@ void TurboAssembler::AssertZeroExtended(Register int32_register) {
     DCHECK_NE(int32_register, kScratchRegister);
     movq(kScratchRegister, int64_t{0x0000000100000000});
     cmpq(kScratchRegister, int32_register);
-    Check(above_equal, AbortReason::k32BitValueInRegisterIsNotZeroExtended);
+    Check(above, AbortReason::k32BitValueInRegisterIsNotZeroExtended);
   }
 }