Resolve some static analysis warnings

Change-Id: Iaff923f34100ecdce76d2319fab67cde59d485ae
diff --git a/av1/common/av1_loopfilter.c b/av1/common/av1_loopfilter.c
index 6dc58c1..28dc75f 100644
--- a/av1/common/av1_loopfilter.c
+++ b/av1/common/av1_loopfilter.c
@@ -1708,6 +1708,9 @@
 void av1_setup_mask(AV1_COMMON *const cm, const int mi_row, const int mi_col,
                     MODE_INFO **mi, const int mode_info_stride,
                     LOOP_FILTER_MASK *lfm) {
+#if CONFIG_EXT_PARTITION
+  assert(0 && "Not yet updated");
+#endif  // CONFIG_EXT_PARTITION
   int idx_32, idx_16, idx_8;
   const loop_filter_info_n *const lfi_n = &cm->lf_info;
   MODE_INFO **mip = mi;
@@ -1735,9 +1738,6 @@
   int i;
   const int max_rows = AOMMIN(cm->mi_rows - mi_row, MAX_MIB_SIZE);
   const int max_cols = AOMMIN(cm->mi_cols - mi_col, MAX_MIB_SIZE);
-#if CONFIG_EXT_PARTITION
-  assert(0 && "Not yet updated");
-#endif  // CONFIG_EXT_PARTITION
 
   av1_zero(*lfm);
   assert(mip[0] != NULL);
diff --git a/av1/common/thread_common.c b/av1/common/thread_common.c
index 17486eb..eec8629 100644
--- a/av1/common/thread_common.c
+++ b/av1/common/thread_common.c
@@ -290,6 +290,13 @@
                                 int start, int stop, int y_only,
                                 AVxWorker *workers, int nworkers,
                                 AV1LfSync *lf_sync) {
+#if CONFIG_EXT_PARTITION
+  printf(
+      "STOPPING: This code has not been modified to work with the "
+      "extended coding unit size experiment");
+  exit(EXIT_FAILURE);
+#endif  // CONFIG_EXT_PARTITION
+
   const AVxWorkerInterface *const winterface = aom_get_worker_interface();
   // Number of superblock rows and cols
   const int sb_rows = mi_rows_aligned_to_sb(cm) >> cm->mib_size_log2;
@@ -299,13 +306,6 @@
   const int num_workers = AOMMIN(nworkers, tile_cols);
   int i;
 
-#if CONFIG_EXT_PARTITION
-  printf(
-      "STOPPING: This code has not been modified to work with the "
-      "extended coding unit size experiment");
-  exit(EXIT_FAILURE);
-#endif  // CONFIG_EXT_PARTITION
-
   if (!lf_sync->sync_range || sb_rows != lf_sync->rows ||
       num_workers > lf_sync->num_workers) {
     av1_loop_filter_dealloc(lf_sync);