From a5babf25a76630c2f3242392153156295005ff09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <daniel.marjamaki@gmail.com>
Date: Thu, 14 Jan 2021 20:56:11 +0100
Subject: [PATCH] Fixed #10080 (syntax error: operator)

---
 lib/tokenize.cpp      | 5 +++++
 test/testtokenize.cpp | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index d3f8732a5..5666f91f8 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -11384,6 +11384,11 @@ void Tokenizer::simplifyOperatorName()
                 }
                 op += ")";
                 par = par->next();
+                if (Token::simpleMatch(par, "...")) {
+                    op.clear();
+                    par = nullptr;
+                    break;
+                }
                 done = false;
             } else if (Token::Match(par, "\"\" %name% (|;|<")) {
                 op += "\"\"";
diff --git a/test/testtokenize.cpp b/test/testtokenize.cpp
index 98ef5f06d..cca6c3231 100644
--- a/test/testtokenize.cpp
+++ b/test/testtokenize.cpp
@@ -427,6 +427,7 @@ private:
         TEST_CASE(simplifyOperatorName25);
         TEST_CASE(simplifyOperatorName26);
         TEST_CASE(simplifyOperatorName27);
+        TEST_CASE(simplifyOperatorName28);
 
         TEST_CASE(simplifyOverloadedOperators1);
         TEST_CASE(simplifyOverloadedOperators2); // (*this)(123)
@@ -6737,6 +6738,14 @@ private:
                       tokenizeAndStringify(code));
     }
 
+    void simplifyOperatorName28() {
+        const char code[] = "template<class... Ts> struct overloaded : Ts... { using Ts::operator()...; };\n"
+                            "int main() { }";
+        ASSERT_EQUALS("template < class ... Ts > struct overloaded : Ts ... { using Ts :: operator ( ) ... ; } ;\n"
+                      "int main ( ) { }",
+                      tokenizeAndStringify(code));
+    }
+
     void simplifyOverloadedOperators1() {
         const char code[] = "struct S { void operator()(int); };\n"
                             "\n"