follow #16009 VM supports cast nil to ptr (#16012)

* follow #16009 VM supports cast nil to ptr * more testcase
2020-11-17 18:47:01 +08:00 · 2020-11-17 18:47:01 +08:00 · fec19c980e
commit fec19c980e
parent 50d035b789
2 changed files with 33 additions and 0 deletions
--- a/tests/vm/tcastnil.nim
+++ b/tests/vm/tcastnil.nim
@ -0,0 +1,30 @@
+discard """
+  nimout: '''nil
+nil
+nil
+nil
+nil
+'''
+"""
+
+block:
+  static:
+    let a = cast[pointer](nil)
+    echo a.repr
+
+block:
+  static:
+    echo cast[ptr int](nil).repr
+
+block:
+  const str = cast[ptr int](nil)
+  static:
+    echo str.repr
+
+block:
+  static:
+    echo cast[ptr int](nil).repr
+
+block:
+  static:
+    echo cast[RootRef](nil).repr