2 files changed, 24 insertions, 0 deletions
diff --git a/tests/ccgbugs/t15623.nim b/tests/ccgbugs/t15623.nim
new file mode 100644
index 000000000..c8246c85b
--- /dev/null
+++ b/tests/ccgbugs/t15623.nim
@@ -0,0 +1,11 @@
+discard """
+  action: "compile"
+"""
+
+# bug #15623
+block:
+  echo cast[ptr int](nil)[]
+
+block:
+  var x: ref int = nil
+  echo cast[ptr int](x)[]
diff --git a/tests/ccgbugs/t15623_2.nim b/tests/ccgbugs/t15623_2.nim
new file mode 100644
index 000000000..4f33bc745
--- /dev/null
+++ b/tests/ccgbugs/t15623_2.nim
@@ -0,0 +1,13 @@
+discard """
+  output: '''0
+0
+'''
+"""
+
+# bug #15623
+block:
+  echo cast[int](cast[ptr int](nil))
+
+block:
+  var x: ref int = nil
+  echo cast[int](cast[ptr int](x))