Add a test for issue#135

Enriches an existing test by adding a variation, i.e. turn NUMBA_DUMP_LLVM on.

Author: jiel-nv

numba_cuda/numba/cuda/tests/cudapy/test_debuginfo.py

@@ -268,7 +268,7 @@ def kernel(x, y):
         three_device_fns(kernel_debug=False, leaf_debug=True)
         three_device_fns(kernel_debug=False, leaf_debug=False)
 
-    def test_kernel_args_types(self):
+    def _test_kernel_args_types(self):
         sig = (types.int32, types.int32)
 
         @cuda.jit("void(int32, int32)", debug=True, opt=False)
@@ -298,6 +298,14 @@ def f(x, y):
         match = re.compile(pat).search(llvm_ir)
         self.assertIsNotNone(match, msg=llvm_ir)
 
+    def test_kernel_args_types(self):
+        self._test_kernel_args_types()
+
+    def test_kernel_args_types_dump(self):
+        # see issue#135
+        with override_config('DUMP_LLVM', 1):
+            self._test_kernel_args_types()
+
 
 if __name__ == '__main__':
     unittest.main()