diff --git a/.gitignore b/.gitignore
index 025c4ca35c..b57f955715 100644
--- a/.gitignore
+++ b/.gitignore
@@ -169,6 +169,7 @@ examples/cross_calculator/android/tags
 /testresults.json
 /tests/caas/idetools_api
 /tests/caas/imported
+/tests/caas/issue_416
 /tests/caas/main
 /tests/caasdriver
 /tools/nimgrep
diff --git a/tests/caas/issue_416.nim b/tests/caas/issue_416.nim
new file mode 100644
index 0000000000..d52f611d6c
--- /dev/null
+++ b/tests/caas/issue_416.nim
@@ -0,0 +1,17 @@
+import unicode, sequtils
+
+proc test() =
+  let input = readFile("weird.nim")
+  for letter in runes(string(input)):
+    echo int(letter)
+
+when 1 > 0:
+  proc failtest() =
+    let
+      input = readFile("weird.nim")
+      letters = toSeq(runes(string(input)))
+    for letter in letters:
+      echo int(letter)
+
+when isMainModule:
+  test()
diff --git a/tests/caas/issue_416.txt b/tests/caas/issue_416.txt
new file mode 100644
index 0000000000..7f81c2b2c5
--- /dev/null
+++ b/tests/caas/issue_416.txt
@@ -0,0 +1,14 @@
+issue_416.nim
+> c
+SuccessX
+> idetools --track:issue_416.nim,12,28 --def
+def\tskType\tsystem.string\tstring
+> idetools --track:issue_416.nim,12,35 --def
+def\tskLet\tissue_416.failtest.input\tTaintedString
+
+# The following fail because they seem shifted one colum to the right.
+> idetools --track:issue_416.nim,12,16 --def
+def\tskTemplate\tsequtils.toSeq\tproc \(expr\): expr
+> idetools --track:issue_416.nim,12,22 --def
+def\tskIterator\tunicode.runes\titerator \(string\): TRune
+