Crash on compilation of invalid AST involving walrus #109351

import ast
m = ast.Module(
    body=[
        ast.Expr(
            value=ast.ListComp(
                elt=ast.NamedExpr(
                    value=ast.Constant(value=3),
                ),
                generators=[
                    ast.comprehension( ctx=ast.Store()),
                        iter=ast.Name(id="y", ctx=ast.Load()),
                        ifs=[],
                        is_async=0,
                    )
                ],
            )
        )
    ],
    type_ignores=[],
)

compile(ast.fix_missing_locations(m), "<file>", "exec")

% ./python.exe namedexpr.py 
Assertion failed: (e->kind == Name_kind), function symtable_extend_namedexpr_scope, file symtable.c, line 1877.
zsh: abort      ./python.exe namedexpr.py