Make newer GCCs happier: Fixed NULL vs. 0 confusion.

Review URL: http://codereview.chromium.org/7970008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9333 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/deoptimizer-arm.cc

@@ -173,7 +173,7 @@ void Deoptimizer::PatchStackCheckCodeAt(Code* unoptimized_code,
 
   RelocInfo rinfo(pc_after - 2 * kInstrSize,
                   RelocInfo::CODE_TARGET,
-                  NULL,
+                  0,
                   unoptimized_code);
   unoptimized_code->GetHeap()->incremental_marking()->RecordWriteIntoCode(
       unoptimized_code, &rinfo, replacement_code);

src/ia32/deoptimizer-ia32.cc

@@ -255,7 +255,7 @@ void Deoptimizer::PatchStackCheckCodeAt(Code* unoptimized_code,
 
   RelocInfo rinfo(call_target_address,
                   RelocInfo::CODE_TARGET,
-                  NULL,
+                  0,
                   unoptimized_code);
   unoptimized_code->GetHeap()->incremental_marking()->RecordWriteIntoCode(
       unoptimized_code, &rinfo, replacement_code);

src/incremental-marking.cc

@@ -89,7 +89,7 @@ void IncrementalMarking::RecordCodeTargetPatch(Address pc, HeapObject* value) {
   if (IsMarking()) {
     Code* host =
         heap_->isolate()->pc_to_code_cache()->GcSafeFindCodeForPc(pc);
-    RelocInfo rinfo(pc, RelocInfo::CODE_TARGET, NULL, host);
+    RelocInfo rinfo(pc, RelocInfo::CODE_TARGET, 0, host);
     RecordWriteIntoCode(host, &rinfo, value);
   }
 }

src/mark-compact.cc

@@ -2684,7 +2684,7 @@ static inline void UpdateSlot(ObjectVisitor* v,
                               Address addr) {
   switch (slot_type) {
     case SlotsBuffer::CODE_TARGET_SLOT: {
-      RelocInfo rinfo(addr, RelocInfo::CODE_TARGET, NULL, NULL);
+      RelocInfo rinfo(addr, RelocInfo::CODE_TARGET, 0, NULL);
       rinfo.Visit(v);
       break;
     }
@@ -2698,12 +2698,12 @@ static inline void UpdateSlot(ObjectVisitor* v,
       break;
     }
     case SlotsBuffer::DEBUG_TARGET_SLOT: {
-      RelocInfo rinfo(addr, RelocInfo::DEBUG_BREAK_SLOT, NULL, NULL);
+      RelocInfo rinfo(addr, RelocInfo::DEBUG_BREAK_SLOT, 0, NULL);
       if (rinfo.IsPatchedDebugBreakSlotSequence()) rinfo.Visit(v);
       break;
     }
     case SlotsBuffer::JS_RETURN_SLOT: {
-      RelocInfo rinfo(addr, RelocInfo::JS_RETURN, NULL, NULL);
+      RelocInfo rinfo(addr, RelocInfo::JS_RETURN, 0, NULL);
       if (rinfo.IsPatchedReturnSequence()) rinfo.Visit(v);
       break;
     }

src/x64/deoptimizer-x64.cc

@@ -254,7 +254,7 @@ void Deoptimizer::PatchStackCheckCodeAt(Code* unoptimized_code,
 
   RelocInfo rinfo(call_target_address,
                   RelocInfo::CODE_TARGET,
-                  NULL,
+                  0,
                   unoptimized_code);
   unoptimized_code->GetHeap()->incremental_marking()->RecordWriteIntoCode(
       unoptimized_code, &rinfo, replacement_code);