Update V8 DEPS.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 005fb97513d0277325c9ff516612aeb922f1949c..5c2e43769bdd38006b232da88d493be98c7e5038 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -3014,10 +3014,9 @@ void StringCharFromCodeGenerator::GenerateFast(MacroAssembler* masm) {
   // Fast case of Heap::LookupSingleCharacterStringFromCode.
   STATIC_ASSERT(kSmiTag == 0);
   STATIC_ASSERT(kSmiShiftSize == 0);
-  DCHECK(base::bits::IsPowerOfTwo32(String::kMaxOneByteCharCode + 1));
-  __ tst(code_,
-         Operand(kSmiTagMask |
-                 ((~String::kMaxOneByteCharCode) << kSmiTagSize)));
+  DCHECK(base::bits::IsPowerOfTwo32(String::kMaxOneByteCharCodeU + 1));
+  __ tst(code_, Operand(kSmiTagMask |
+                        ((~String::kMaxOneByteCharCodeU) << kSmiTagSize)));
   __ b(ne, &slow_case_);
 
   __ LoadRoot(result_, Heap::kSingleCharacterStringCacheRootIndex);