[3.12] gh-121367: [doc] BUILD_TUPLE arg can be 0 (GH-122663) (#122684)

gh-121367: [doc] BUILD_TUPLE arg can be 0 (GH-122663)
(cherry picked from commit 1422500d020bd199b26357fc387f8b79b82226cd)

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>

diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index c5f46079295917b37232270f2f1d931615adc58f..96e959f9bf3ae11e8b944b3c57c1beca63fde375 100644 (file)
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -995,11 +995,15 @@ iterations of the loop.
 .. opcode:: BUILD_TUPLE (count)
 
    Creates a tuple consuming *count* items from the stack, and pushes the
-   resulting tuple onto the stack.::
+   resulting tuple onto the stack::
 
-      assert count > 0
-      STACK, values = STACK[:-count], STACK[-count:]
-      STACK.append(tuple(values))
+      if count == 0:
+          value = ()
+      else:
+          STACK = STACK[:-count]
+          value = tuple(STACK[-count:])
+
+      STACK.append(value)
 
 
 .. opcode:: BUILD_LIST (count)