From 420cc1ce0d0b1f157073f092459155c777bb7cff Mon Sep 17 00:00:00 2001
From: chrchr-github <christian.riesch@live.com>
Date: Tue, 16 Jul 2024 21:26:55 +0200
Subject: [PATCH] Fix #12583 debug: valueFlowBailoutIncompleteVar reported for
 "using namespace" declaration

---
 lib/symboldatabase.cpp      | 14 ++++++++++----
 test/testsymboldatabase.cpp |  8 ++++++++
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/lib/symboldatabase.cpp b/lib/symboldatabase.cpp
index 40c18bdbff6..cc9cec5ce4f 100644
--- a/lib/symboldatabase.cpp
+++ b/lib/symboldatabase.cpp
@@ -1460,10 +1460,16 @@ void SymbolDatabase::createSymbolDatabaseIncompleteVars()
             tok = tok->link();
             continue;
         }
-        if (tok->isCpp() && (Token::Match(tok, "catch|typeid (") ||
-                             Token::Match(tok, "static_cast|dynamic_cast|const_cast|reinterpret_cast"))) {
-            tok = tok->linkAt(1);
-            continue;
+        if (tok->isCpp()) {
+            if (Token::Match(tok, "catch|typeid (") ||
+                Token::Match(tok, "static_cast|dynamic_cast|const_cast|reinterpret_cast")) {
+                tok = tok->linkAt(1);
+                continue;
+            }
+            if (tok->str() == "using") {
+                tok = Token::findsimplematch(tok, ";");
+                continue;
+            }
         }
         if (tok->str() == "NULL")
             continue;
diff --git a/test/testsymboldatabase.cpp b/test/testsymboldatabase.cpp
index 50346041a10..082eda73141 100644
--- a/test/testsymboldatabase.cpp
+++ b/test/testsymboldatabase.cpp
@@ -5894,6 +5894,14 @@ class TestSymbolDatabase : public TestFixture {
             const Token* s = Token::findsimplematch(tokenizer.tokens(), "string");
             ASSERT(s && !s->isIncompleteVar());
         }
+        {
+            GET_SYMBOL_DB("void f() {\n" // #12583
+                          "    using namespace N;\n"
+                          "}\n");
+            ASSERT(db && errout_str().empty());
+            const Token* N = Token::findsimplematch(tokenizer.tokens(), "N");
+            ASSERT(N && !N->isIncompleteVar());
+        }
     }
 
     void enum1() {