From bd3e362089c9fab1028a1bf58b4e762851a32244 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 12 Apr 2011 18:33:28 -0500
Subject: [PATCH] make assigning to a bytes literal a syntax error (closes
 #11506)

---
 Lib/test/test_syntax.py | 4 ++++
 Misc/NEWS               | 3 +++
 Python/ast.c            | 1 +
 3 files changed, 8 insertions(+)

diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py
index 202770afa6d..7faab911a7a 100644
--- a/Lib/test/test_syntax.py
+++ b/Lib/test/test_syntax.py
@@ -67,6 +67,10 @@ SyntaxError: can't assign to literal
 Traceback (most recent call last):
 SyntaxError: can't assign to literal
 
+>>> b"" = 1
+Traceback (most recent call last):
+SyntaxError: can't assign to literal
+
 >>> `1` = 1
 Traceback (most recent call last):
 SyntaxError: invalid syntax
diff --git a/Misc/NEWS b/Misc/NEWS
index a90aee98963..b80bd5268ad 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -45,6 +45,9 @@ Core and Builtins
 - Issue #5587: add a repr to dict_proxy objects.  Patch by David Stanek and
   Daniel Urban.
 
+- Issue #11506: Trying to assign to a bytes literal should result in a
+  SyntaxError.
+
 Library
 -------
 
diff --git a/Python/ast.c b/Python/ast.c
index 590bc90dabf..d97e9518ce5 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -469,6 +469,7 @@ set_context(struct compiling *c, expr_ty e, expr_context_ty ctx, const node *n)
         case Set_kind:
         case Num_kind:
         case Str_kind:
+        case Bytes_kind:
             expr_name = "literal";
             break;
         case Ellipsis_kind: