Fixed power-of-2 predicates, excluding 0.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index b02574b9a4019595e2ca4b587e1c984da955ec35..c3afc83427e1e59575b9324ffbde00fbf3c1cc51 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -1293,7 +1293,7 @@ void LCodeGen::DoDivByPowerOf2I(LDivByPowerOf2I* instr) {
   Register dividend = ToRegister(instr->dividend());
   int32_t divisor = instr->divisor();
   Register result = ToRegister(instr->result());
-  ASSERT(divisor == kMinInt || (divisor != 0 && IsPowerOf2(Abs(divisor))));
+  ASSERT(divisor == kMinInt || IsPowerOf2(Abs(divisor)));
   ASSERT(!result.is(dividend));
 
   // Check for (0 / -x) that will produce negative zero.