diff --git a/flang/lib/Frontend/FrontendActions.cpp b/flang/lib/Frontend/FrontendActions.cpp
--- a/flang/lib/Frontend/FrontendActions.cpp
+++ b/flang/lib/Frontend/FrontendActions.cpp
@@ -90,7 +90,8 @@
   // Otherwise, generate an MLIR module from the input Fortran source
   assert(getCurrentInput().getKind().getLanguage() == Language::Fortran &&
          "Invalid input type - expecting a Fortran file");
-  bool res = runPrescan() && runParse() && runSemanticChecks();
+  bool res = runPrescan() && runParse() && runSemanticChecks() &&
+             generateRtTypeTables();
   if (!res)
     return res;
 
diff --git a/flang/test/Lower/derived-type-descriptor.f90 b/flang/test/Lower/derived-type-descriptor.f90
--- a/flang/test/Lower/derived-type-descriptor.f90
+++ b/flang/test/Lower/derived-type-descriptor.f90
@@ -1,5 +1,6 @@
 ! Test lowering of derived type descriptors builtin data
 ! RUN: bbc -emit-fir %s -o - | FileCheck %s
+! RUN: %flang_fc1 -emit-fir %s -o - | FileCheck %s
 
 subroutine foo()
   real, save, target :: init_values(10, 10)