A64: Synchronize with r15545.

test/cctest/test-hashing.cc

Index: test/cctest/test-hashing.cc
diff --git a/test/cctest/test-hashing.cc b/test/cctest/test-hashing.cc
index fd3329a7a363a859020279d842aa3dde890a0c9f..e599a818cb0bfcc397e3eb99a8ed22d3d5c549bc 100644
--- a/test/cctest/test-hashing.cc
+++ b/test/cctest/test-hashing.cc
@@ -51,7 +51,7 @@ void generate(MacroAssembler* masm, i::Vector<const uint8_t> string) {
   // GenerateHashInit takes the first character as an argument so it can't
   // handle the zero length string.
   ASSERT(string.length() > 0);
-#ifdef V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_IA32
   __ push(ebx);
   __ push(ecx);
   __ mov(eax, Immediate(0));
@@ -136,7 +136,7 @@ void generate(MacroAssembler* masm, i::Vector<const uint8_t> string) {
 
 
 void generate(MacroAssembler* masm, uint32_t key) {
-#ifdef V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_IA32
   __ push(ebx);
   __ mov(eax, Immediate(key));
   __ GetNumberHash(eax, ebx);