diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index 356bc8216ad..40053303db6 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -165,6 +165,9 @@ int main(int argc, char **argv) {
   //
   AddConfiguredTransformationPasses(Passes);
 
+  // Make sure everything is still good.
+  Passes.add(createVerifierPass());
+
   // Write bytecode to file...
   Passes.add(new WriteBytecodePass(Out));
 
diff --git a/tools/gccld/GenerateCode.cpp b/tools/gccld/GenerateCode.cpp
index 6fd30c8d87e..d41a1f15f24 100644
--- a/tools/gccld/GenerateCode.cpp
+++ b/tools/gccld/GenerateCode.cpp
@@ -125,6 +125,9 @@ GenerateBytecode (Module *M, bool Strip, bool Internalize, std::ostream *Out) {
     addPass(Passes, createGlobalDCEPass());
   }
 
+  // Make sure everything is still good.
+  Passes.add(createVerifierPass());
+
   // Add the pass that writes bytecode to the output file...
   addPass(Passes, new WriteBytecodePass(Out));