fix #15623 (#16009)

* fix #15623 * add testcase for #15623 * fix * add testcase
2020-11-18 01:05:20 +08:00 · 2020-11-18 01:05:20 +08:00 · 0f7f159a35
commit 0f7f159a35
parent fec19c980e
4 changed files with 26 additions and 2 deletions
--- a/tests/ccgbugs/t15623.nim
+++ 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)[]
--- a/tests/ccgbugs/t15623_2.nim
+++ 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))