From 51b4cf592b400c86cef96737c275f329fa4329ac Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Tue, 3 May 2022 13:37:14 +0200
Subject: [PATCH] Fix #11029 unknownMacro reported with noexcept (regression)
 (#4073)

---
 lib/tokenize.cpp      | 10 ++++++----
 test/testtokenize.cpp |  3 +++
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 4a1455b70..4af721006 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -10196,10 +10196,12 @@ void Tokenizer::reportUnknownMacros() const
                     unknownMacroError(tok);
             }
         } else if (Token::Match(tok, "%name% (") && tok->isUpperCaseName() && Token::Match(tok->linkAt(1), ") %name% (") && Token::Match(tok->linkAt(1)->linkAt(2), ") [;{]")) {
-            if (possible.count(tok->str()) == 0)
-                possible.insert(tok->str());
-            else
-                unknownMacroError(tok);
+            if (!(tok->linkAt(1)->next() && tok->linkAt(1)->next()->isKeyword())) { // e.g. noexcept(true)
+                if (possible.count(tok->str()) == 0)
+                    possible.insert(tok->str());
+                else
+                    unknownMacroError(tok);
+            }
         }
     }
 
diff --git a/test/testtokenize.cpp b/test/testtokenize.cpp
index 3c38140f5..d3c2e9c3a 100644
--- a/test/testtokenize.cpp
+++ b/test/testtokenize.cpp
@@ -6551,6 +6551,9 @@ private:
 
         const char code10[] = "void f(std::exception c) { b(M() M() + N(c.what())); }";
         ASSERT_THROW(tokenizeAndStringify(code10), InternalError);
+
+        const char code11[] = "struct B { B(B&&) noexcept {} ~B() noexcept {} };";
+        ASSERT_NO_THROW(tokenizeAndStringify(code11));
     }
 
     void findGarbageCode() { // Test Tokenizer::findGarbageCode()