diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp
index b5c3ca760db..6db54a9006d 100644
--- a/utils/TableGen/TableGen.cpp
+++ b/utils/TableGen/TableGen.cpp
@@ -180,3 +180,10 @@ int main(int argc, char **argv) {
 
   return TableGenMain(argv[0], &LLVMTableGenMain);
 }
+
+extern "C" {
+// Disable LeakSanitizer for this binary as it has too many leaks that are not
+// very interesting to fix. __lsan_is_turned_off is explained in
+// compiler-rt/include/sanitizer/lsan_interface.h
+int __lsan_is_turned_off() { return 1; }
+}  // extern "C"