~ chicken-core (chicken-5) 1f2dae3fe75ce964985070ff7574ac866bb524a7

commit 1f2dae3fe75ce964985070ff7574ac866bb524a7
Author:     Evan Hanson <evhan@foldling.org>
AuthorDate: Sat Mar 28 10:29:40 2020 +1300
Commit:     Evan Hanson <evhan@foldling.org>
CommitDate: Sat Mar 28 10:29:40 2020 +1300

    Add NEWS entry for #1690

diff --git a/NEWS b/NEWS
index 18179792..5fd808e0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,10 @@
 5.2.1
+
+- Core libraries
+  - Fixed a bug where optimisations for `irregex-match?` would cause
+    runtime errors due to the inlined specialisations not being
+    fully-expanded (see #1690).
+
 - Runtime system
   - Sleeping primordial thread doesn't forget mutations made to
     parameters in interrupt handlers anymore. (See #1638. Fix