diff --git a/integration/dockerfiles/Dockerfile_test_issue_519 b/integration/dockerfiles/Dockerfile_test_issue_519
new file mode 100644
index 000000000..40d2d653d
--- /dev/null
+++ b/integration/dockerfiles/Dockerfile_test_issue_519
@@ -0,0 +1,12 @@
+FROM alpine as base_stage
+RUN echo base_stage
+RUN touch meow.txt
+
+FROM base_stage as BUG_stage
+RUN echo BUG_stage
+RUN touch purr.txt
+
+
+FROM BUG_stage as final_stage
+RUN echo final_stage
+RUN touch mew.txt
diff --git a/integration/dockerfiles/Dockerfile_test_issue_647 b/integration/dockerfiles/Dockerfile_test_issue_647
new file mode 100644
index 000000000..019650229
--- /dev/null
+++ b/integration/dockerfiles/Dockerfile_test_issue_647
@@ -0,0 +1,12 @@
+FROM alpine:3.8 AS foo
+RUN mkdir /foo
+WORKDIR /foo
+RUN mkdir some_dir
+RUN touch some_file
+RUN chmod 777 some_dir
+RUN chmod 666 some_file
+RUN ls -l
+
+FROM alpine:3.8
+COPY --from=foo /foo /bar
+RUN ls -l /bar
diff --git a/integration/dockerfiles/Dockerfile_test_issue_684 b/integration/dockerfiles/Dockerfile_test_issue_684
new file mode 100644
index 000000000..59311584e
--- /dev/null
+++ b/integration/dockerfiles/Dockerfile_test_issue_684
@@ -0,0 +1,3 @@
+FROM ubuntu:rolling as builder
+
+RUN apt-get update && apt-get -y upgrade && apt-get -y install lib32stdc++6 wget
diff --git a/integration/dockerfiles/Dockerfile_test_issue_704 b/integration/dockerfiles/Dockerfile_test_issue_704
new file mode 100644
index 000000000..17864adaf
--- /dev/null
+++ b/integration/dockerfiles/Dockerfile_test_issue_704
@@ -0,0 +1,5 @@
+FROM alpine
+
+RUN mkdir -p /some/dir/ && echo 'first' > /some/dir/first.txt
+
+RUN rm /some/dir/first.txt