diff --git a/llvm/lib/TableGen/Record.cpp b/llvm/lib/TableGen/Record.cpp
--- a/llvm/lib/TableGen/Record.cpp
+++ b/llvm/lib/TableGen/Record.cpp
@@ -32,6 +32,7 @@
 #include <cassert>
 #include <cstdint>
 #include <memory>
+#include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ -457,7 +458,7 @@
 }
 
 IntInit *IntInit::get(int64_t V) {
-  static DenseMap<int64_t, IntInit*> ThePool;
+  static std::map<int64_t, IntInit*> ThePool;
 
   IntInit *&I = ThePool[V];
   if (!I) I = new(Allocator) IntInit(V);
diff --git a/llvm/test/TableGen/IntSpecialValues.td b/llvm/test/TableGen/IntSpecialValues.td
new file mode 100644
--- /dev/null
+++ b/llvm/test/TableGen/IntSpecialValues.td
@@ -0,0 +1,8 @@
+// RUN: llvm-tblgen %s | FileCheck %s
+
+def TestRecord {
+  // CHECK: int X = 9223372036854775807;
+  int X = 0x7FFFFFFFFFFFFFFF;
+  // CHECK: int Y = 9223372036854775806;
+  int Y = 0x7FFFFFFFFFFFFFFE;
+}