commit 4b7a9fd0ecb750646cac76c41383f8391cd0fdd9
Author: Bart Schaefer <schaefer@zsh.org>
Date:   Tue Mar 14 20:51:15 2023 -0700

    [partial cherry-pick] 51573: additional "typset -p -m" fix for namespaces
    
    The "-m pattern" option is supposed to enable printing namespaces, but
    that didn't work when combined with -p.
    
    The -p option could also cause an unset parameter to become set if a
    named reference pointed at it.

diff --git a/Src/builtin.c b/Src/builtin.c
index d99802f5f..f38a54936 100644
--- a/Src/builtin.c
+++ b/Src/builtin.c
@@ -2502,6 +2502,8 @@ typeset_single(char *cname, char *pname, Param pm, int func,
 		    "%s: inconsistent array element or slice assignment", pname);
 	    return NULL;
 	}
+    } else if (!pm && OPT_ISSET(ops,'p')) {
+	return NULL;
     }
     /*
      * As we can hide existing parameters, we allow a name if