From a09c5e6bde88932022ae1deeffcdfebb3e3bf6c9 Mon Sep 17 00:00:00 2001
From: Vern Paxson <vern@corelight.com>
Date: Thu, 23 Dec 2021 11:37:17 -0800
Subject: [PATCH] fix: don't treat pseudo-identifiers in type cases as local
 variables

---
 src/script_opt/ProfileFunc.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/script_opt/ProfileFunc.cc b/src/script_opt/ProfileFunc.cc
index b29bf068d4..5d6e8d8566 100644
--- a/src/script_opt/ProfileFunc.cc
+++ b/src/script_opt/ProfileFunc.cc
@@ -174,7 +174,11 @@ TraversalCode ProfileFunc::PreStmt(const Stmt* s)
 				if ( idl )
 					{
 					for ( auto id : *idl )
-						locals.insert(id);
+						// Make sure it's not a placeholder
+						// identifier, used when there's
+						// no explicit one.
+						if ( id->Name() )
+							locals.insert(id);
 
 					is_type_switch = true;
 					}