Add a test for bug aomedia:3534

Bug: aomedia:3534
Change-Id: I35acc0bc679221f1e36c6d73d57086dc7c82c77a
(cherry picked from commit d8969a09e9aaf4969670581456affe4af13fbc66)

test/encode_api_test.cc

diff --git a/test/encode_api_test.cc b/test/encode_api_test.cc
index aa4084f..9a447b5 100644
--- a/test/encode_api_test.cc
+++ b/test/encode_api_test.cc
@@ -654,6 +654,26 @@
   cfg.kf_max_dist = 1;
   EXPECT_EQ(AOM_CODEC_INVALID_PARAM, aom_codec_enc_init(&enc, iface, &cfg, 0));
 }
-#endif
+
+// A test that reproduces bug aomedia:3534.
+TEST(EncodeAPI, AllIntraAndNoRefLast) {
+  aom_codec_iface_t *iface = aom_codec_av1_cx();
+  aom_codec_enc_cfg_t cfg;
+  ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_ALL_INTRA),
+            AOM_CODEC_OK);
+
+  aom_codec_ctx_t enc;
+  ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);
+
+  aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h);
+  ASSERT_NE(image, nullptr);
+
+  ASSERT_EQ(aom_codec_encode(&enc, image, 0, 1, AOM_EFLAG_NO_REF_LAST),
+            AOM_CODEC_OK);
+
+  aom_img_free(image);
+  ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
+}
+#endif  // !CONFIG_REALTIME_ONLY
 
 }  // namespace