diff --git a/doc/bugs/Can__39__t_compile_on_FreeBSD__58___alex__44___StateVar__44___SafeSemaphore__44___IfElse_fail/comment_4_7030999ed483c680a80225a26a051b78._comment b/doc/bugs/Can__39__t_compile_on_FreeBSD__58___alex__44___StateVar__44___SafeSemaphore__44___IfElse_fail/comment_4_7030999ed483c680a80225a26a051b78._comment
new file mode 100644
index 0000000000..4faaebf393
--- /dev/null
+++ b/doc/bugs/Can__39__t_compile_on_FreeBSD__58___alex__44___StateVar__44___SafeSemaphore__44___IfElse_fail/comment_4_7030999ed483c680a80225a26a051b78._comment
@@ -0,0 +1,8 @@
+[[!comment format=mdwn
+ username="duncan_bayne"
+ avatar="http://cdn.libravatar.org/avatar/2fc23e2009234ad965f9d5d796400417"
+ subject="Known issue"
+ date="2019-01-09T09:17:20Z"
+ content="""
+This is a known issue, and is being fixed: https://github.com/commercialhaskell/stack/issues/3515
+"""]]