api.yaml: add deprecation notice for GH #1179

Deprecated ListChunk GC API and src/list.c
Also update ChangeLog.

ChangeLog

@@ -1,9 +1,13 @@
 2015-10-20    release 7.9.0
     - Core
-        + StringBuilder.clone and ResizablePMCArray write barrier optimizations. GH #1123
+        + StringBuilder.clone and ResizablePMCArray write barrier optimizations.
+          GH #1123
         + Support -D1 GC stats with --ccflags=-DMEMORY_DEBUG for --gc=ms
-        + Added a Parrot_{un,}block_GC_move API for the 2 string compacting collectors
-          ms and ms2
+        + Added a Parrot_{un,}block_GC_move API for the 2 string compacting
+          collectors ms and ms2
+        + Deprecated ListChunk GC API and src/list.c GH #1179
+        + Fixed a --gc=ms segv in Parrot_io_write_s GH #1196
+        + const many IO api arguments
     - Build
         + --optimize: Replace -O2 from perl5 with -O3 on clang or gcc. GH #1185
           5% faster

api.yaml

@@ -709,4 +709,20 @@
     - api
     - deprecated
   ticket:  'https://github.com/parrot/parrot/issues/1122'
+-
+  name:  'Deprecated ListChunk GC API and src/list.c'
+  note:
+    Only imageiofreeze still uses it.
+    Set #define PARROT_BUFFERLIKE_LIST to use it
+    Will be removed with Release 8.0.0.
+
+    Deprecated:
+    * C<gc_sys->allocate_bufferlike_header>
+    * C<gc_sys->free_bufferlike_header>
+    and it's implementations in the gms, ms, ms2 and inf GC's.
+
+  tags:
+    - api
+    - deprecated
+  ticket:  'https://github.com/parrot/parrot/issues/1179'
 -