Revert of Extend big-disjunction optimization to case-independent regexps

src/heap-snapshot-generator.cc

Index: src/heap-snapshot-generator.cc
diff --git a/src/heap-snapshot-generator.cc b/src/heap-snapshot-generator.cc
index f1bdc71cca03dc3cf1d0277d65a5f2997595f495..a27f4194587f0f8705c4ee2f938f2b92d07feef4 100644
--- a/src/heap-snapshot-generator.cc
+++ b/src/heap-snapshot-generator.cc
@@ -323,8 +323,7 @@
     for (int i = 0; i < entries_.length(); ++i) {
       sorted_entries_[i] = &entries_[i];
     }
-    sorted_entries_.Sort<int (*)(HeapEntry* const*, HeapEntry* const*)>(
-        SortByIds);
+    sorted_entries_.Sort(SortByIds);
   }
   return &sorted_entries_;
 }