diff --git a/.gitignore b/.gitignore
index d59432d8..34a88719 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,7 @@ LIB-Debug/
 
 # AMBuild build directories
 build/
+objdir/
 obj-*/
 *~
 *.rej
diff --git a/tests/runtests.py b/tests/runtests.py
index 35bb6d9d..55d73d90 100644
--- a/tests/runtests.py
+++ b/tests/runtests.py
@@ -131,14 +131,14 @@ def find_shells(self):
       if rc == 0 and 'JIT' in stdout:
         self.shells.append({
           'path': path,
-          'args': [],
+          'args': ['--validate-debug-sections'],
           'name': 'default-' + arch,
           'env': env,
           })
 
       self.shells.append({
         'path': path,
-        'args': ['--disable-jit'],
+        'args': ['--validate-debug-sections', '--disable-jit'],
         'name': 'interpreter-' + arch,
         'env': env,
       })