Fix native arm build.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/533653003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23619 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/code-stubs-arm.cc

@@ -1159,7 +1159,7 @@ void CEntryStub::Generate(MacroAssembler* masm) {
   if (FLAG_debug_code) {
     if (frame_alignment > kPointerSize) {
       Label alignment_as_expected;
-      DCHECK(IsPowerOf2(frame_alignment));
+      DCHECK(base::bits::IsPowerOfTwo32(frame_alignment));
       __ tst(sp, Operand(frame_alignment_mask));
       __ b(eq, &alignment_as_expected);
       // Don't use Check here, as it will call Runtime_Abort re-entering here.

src/arm/macro-assembler-arm.cc

@@ -3568,7 +3568,7 @@ void MacroAssembler::CallCFunctionHelper(Register function,
     int frame_alignment = base::OS::ActivationFrameAlignment();
     int frame_alignment_mask = frame_alignment - 1;
     if (frame_alignment > kPointerSize) {
-      DCHECK(IsPowerOf2(frame_alignment));
+      DCHECK(base::bits::IsPowerOfTwo32(frame_alignment));
       Label alignment_as_expected;
       tst(sp, Operand(frame_alignment_mask));
       b(eq, &alignment_as_expected);