diff --git a/clang/tools/libclang/CIndex.cpp b/clang/tools/libclang/CIndex.cpp
--- a/clang/tools/libclang/CIndex.cpp
+++ b/clang/tools/libclang/CIndex.cpp
@@ -4937,6 +4937,13 @@
       SLit->outputString(OS);
       return cxstring::createDup(OS.str());
     }
+    if (C.kind == CXCursor_IntegerLiteral) {
+      SmallString<64> Buf;
+      if (const IntegerLiteral *ILit = dyn_cast<IntegerLiteral>(E)) {
+        ILit->getValue().toString(Buf, 10, true);
+        return cxstring::createDup(Buf);
+      }
+    }
 
     const Decl *D = getDeclFromExpr(getCursorExpr(C));
     if (D)