From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 28 Nov 2016 18:56:37 +0000 (+0200)
Subject: Issue #28823: Simplified compiling with opcode BUILD_MAP_UNPACK.
X-Git-Tag: v3.7.0a1~1868
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3d85fae91f82f27d239b51098fa90eee9d812ae4;p=thirdparty%2FPython%2Fcpython.git

Issue #28823: Simplified compiling with opcode BUILD_MAP_UNPACK.
---

diff --git a/Python/compile.c b/Python/compile.c
index 46a40a336904..62f1c3f3f37b 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -3344,11 +3344,8 @@ compiler_dict(struct compiler *c, expr_ty e)
     /* If there is more than one dict, they need to be merged into a new
      * dict.  If there is one dict and it's an unpacking, then it needs
      * to be copied into a new dict." */
-    while (containers > 1 || is_unpacking) {
-        int oparg = containers < 255 ? containers : 255;
-        ADDOP_I(c, BUILD_MAP_UNPACK, oparg);
-        containers -= (oparg - 1);
-        is_unpacking = 0;
+    if (containers > 1 || is_unpacking) {
+        ADDOP_I(c, BUILD_MAP_UNPACK, containers);
     }
     return 1;
 }