Have custom ranges go through the same safety checks as everything else, to avoid empty ranges, or ranges with no permissions

Author: Jlalond

lldb/source/Target/Process.cpp

@@ -6677,11 +6677,8 @@ static void GetUserSpecifiedCoreFileSaveRanges(Process &process,
 
   for (const auto &range : regions) {
     auto entry = option_ranges.FindEntryThatContains(range.GetRange());
-    if (entry) {
-      ranges.Append(range.GetRange().GetRangeBase(),
-                    range.GetRange().GetByteSize(),
-                    CreateCoreFileMemoryRange(range));
-    }
+    if (entry)
+      AddRegion(range, true, ranges);
   }
 }