[scan-build] fix dead store warnings emitted on llvm-objdump code base

[apelete]

Summary

This fixes dead store warnings of the type "dead assignment" reported
by Clang Static Analyzer on the following file:

• tools/llvm-objdump/MachODump.cpp.

Signed-off-by: Apelete Seketeli <[e-mail]>

tools/llvm-objdump/MachODump.cpp

static void print_class32_t(uint32_t p, struct DisassembleInfo *info) {
 
   outs() << "        vtable " << format("0x%" PRIx32, c.vtable);
   name = get_symbol_32(offset + offsetof(struct class32_t, vtable), S, info,
                        c.vtable);
   if (name != nullptr)
     outs() << " " << name;
   outs() << "\n";
 
-  name =
-      get_symbol_32(offset + offsetof(struct class32_t, data), S, info, c.data);
   outs() << "          data " << format("0x%" PRIx32, c.data)
          << " (struct class_ro_t *)";
+  name =
+      get_symbol_32(offset + offsetof(struct class32_t, data), S, info, c.data);
+  if (name != nullptr)
+    outs() << " " << name;
 
   // This is a Swift class if some of the low bits of the pointer are set.
   if (c.data & 0x3)
     outs() << " Swift class";
   outs() << "\n";
   bool is_meta_class;
   if (!print_class_ro32_t(c.data & ~0x3, info, is_meta_class))
     return;
if (WeakDef || ThreadLocal || Resolver || Abs) {
           outs() << ", ";
         outs() << "absolute";
         NeedsComma = true;
       }
       if (Resolver) {
         if (NeedsComma)
           outs() << ", ";
         outs() << format("resolver=0x%08llX", Entry.other());
-        NeedsComma = true;
       }
       outs() << "]";
     }
     if (ReExport) {
       StringRef DylibName = "unknown";
       int Ordinal = Entry.other() - 1;
       Obj->getLibraryShortNameByIndex(Ordinal, DylibName);
       if (Entry.otherName().empty())