[PATCH] pyshyacc: allow double COMMA statements

[PATCH] pyshyacc: allow double COMMA statements

[Konrad Weihmann]

this allows shell statements like '; ;' to pass the parser.
As it may be bad code but still valid enough to execute

Signed-off-by: Konrad Weihmann <kweihmann@outlook.com>
---
 lib/bb/pysh/pyshyacc.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/bb/pysh/pyshyacc.py b/lib/bb/pysh/pyshyacc.py
index de565dc9..924860a6 100644
--- a/lib/bb/pysh/pyshyacc.py
+++ b/lib/bb/pysh/pyshyacc.py
@@ -570,6 +570,7 @@ def p_linebreak(p):
 
 def p_separator_op(p):                 
     """separator_op : COMMA
+                    | COMMA COMMA
                     | AMP"""
     p[0] = p[1]
 
-- 
2.20.1