commit 376ce9852eec4e97745c723f0dd0fe64383c6cd3
author Victor Stinner <vstinner@redhat.com> Wed Jun 12 04:41:16 2019 +0200
committer GitHub <noreply@github.com> Wed Jun 12 04:41:16 2019 +0200
tree 3fc93269e8a04705aa9f92a704780c1bb5a53f12
parent eb976e47e261760330c1bed224019b073b05e994

bpo-26219: Fix compiler warning in _PyCode_InitOpcache() (GH-13997)

Fix MSVC warning:

    objects\codeobject.c(285): warning C4244: '=':
    conversion from 'Py_ssize_t' to 'unsigned char',
    possible loss of data

Objects/codeobject.c

diff --git a/Objects/codeobject.c b/Objects/codeobject.c
index 63ce479..1333cc83 100644
--- a/Objects/codeobject.c
+++ b/Objects/codeobject.c
@@ -282,7 +282,7 @@
         co->co_opcache = NULL;
     }
 
-    co->co_opcache_size = opts;
+    co->co_opcache_size = (unsigned char)opts;
     return 0;
 }