commit c5440937efab6a99d54340c902dfb21e86874bc3
author Mark Shannon <mark@hotpy.org> Mon Mar 15 14:24:25 2021 +0000
committer GitHub <noreply@github.com> Mon Mar 15 14:24:25 2021 +0000
tree 5f9e2fdfb14ba0a400dc5ae32d1c699658b04e00
parent 35d5068928ab5485e5f28b60b1e33062bc2c46cc

Mark POP_TOP at end of expression statement as artificial, to conform to PEP 626. (GH-24860)

Python/compile.c

diff --git a/Python/compile.c b/Python/compile.c
index 942614f..ea1bf6b 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -3397,6 +3397,8 @@ compiler_visit_stmt_expr(struct compiler *c, expr_ty value)
     }
 
     VISIT(c, expr, value);
+    /* Mark POP_TOP as artificial */
+    c->u->u_lineno = -1;
     ADDOP(c, POP_TOP);
     return 1;
 }