[commit: ghc] wip/merge-queue: Add entry for #16031 to base/changelog.md (0ff42f3)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/merge-queue
Link       : http://ghc.haskell.org/trac/ghc/changeset/0ff42f3f6e85c1c3beca3bd9c5c034b667243239/ghc

>---------------------------------------------------------------

commit 0ff42f3f6e85c1c3beca3bd9c5c034b667243239
Author: Sven Tennie <sven.tennie at gmail.com>
Date:   Thu Dec 27 17:21:41 2018 +0100

    Add entry for #16031 to base/changelog.md


>---------------------------------------------------------------

0ff42f3f6e85c1c3beca3bd9c5c034b667243239
 libraries/base/changelog.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libraries/base/changelog.md b/libraries/base/changelog.md
index 06f62f5..07df8fc 100644
--- a/libraries/base/changelog.md
+++ b/libraries/base/changelog.md
@@ -3,6 +3,11 @@
 ## 4.12.0.0 *TBA*
   * Bundled with GHC *TBA*
 
+  * Fix `Show` instance of `Data.Fixed`: Negative numbers are now parenthesized
+    according to their surrounding context. I.e. `Data.Fixed.show` produces
+    syntactically correct Haskell for expressions like `Just (-1 :: Fixed E2)`.
+    (#16031)
+
   * Support the characters from recent versions of Unicode (up to v. 12) in
     literals (#5518).