From c538bd24c4a0ae64b25862e1062d4d143b409f15 Mon Sep 17 00:00:00 2001
From: Olly Betts <olly@survex.com>
Date: Thu, 20 Apr 2023 14:53:30 +1200
Subject: Restore handling for '<<' in array size

I accidentally dropped this in 8fb15fcc922a302b88937a68e089223fb90640f9.
---
 Source/Swig/typesys.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/Swig/typesys.c b/Source/Swig/typesys.c
index 05e2a1b6e..eb6fc1074 100644
--- a/Source/Swig/typesys.c
+++ b/Source/Swig/typesys.c
@@ -1700,7 +1700,8 @@ void SwigType_remember_clientdata(const SwigType *t, const_String_or_char_ptr cl
   if (t) {
     char *ct = Char(t);
     const char *lt = strchr(ct, '<');
-    if (lt && lt[1] != '(') {
+    /* Allow for `<<` operator in constant expression for array size. */
+    if (lt && lt[1] != '(' && lt[1] != '<') {
       /* We special case `<<` above, but most cases aren't handled, for example:
        *
        * unsigned char myarray[std::numeric_limits<unsigned char>::max()]; // #2486
-- 
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