fix #13833: internalAstError with compound literal (danmar#7561)

Author: ludviggunne

lib/tokenize.cpp

@@ -8033,7 +8033,7 @@ bool Tokenizer::simplifyRedundantParentheses()
             while (Token::Match(tok2, "%type%|static|const|extern") && tok2->str() != "operator") {
                 tok2 = tok2->previous();
             }
-            if (tok2 && !Token::Match(tok2, "[;,{]")) {
+            if (tok2 && !Token::Match(tok2, "[;{]")) {
                 // Not a variable declaration
             } else {
                 tok->deleteThis();

test/testtokenize.cpp

@@ -482,6 +482,8 @@ class TestTokenizer : public TestFixture {
         TEST_CASE(simplifyPlatformTypes);
 
         TEST_CASE(dumpFallthrough);
+
+        TEST_CASE(simplifyRedundantParentheses);
     }
 
 #define tokenizeAndStringify(...) tokenizeAndStringify_(__FILE__, __LINE__, __VA_ARGS__)
@@ -8556,6 +8558,14 @@ class TestTokenizer : public TestFixture {
         const std::string dump = ostr.str();
         ASSERT(dump.find(" isAttributeFallthrough=\"true\"") != std::string::npos);
     }
+
+    void simplifyRedundantParentheses() {
+        const char *code = "int f(struct S s) {\n"
+                           "    return g(1, &(int){ s.i });\n"
+                           "}\n";
+        SimpleTokenizer tokenizer(settingsDefault, *this, false);
+        ASSERT_NO_THROW(tokenizer.tokenize(code));
+    }
 };
 
 REGISTER_TEST(TestTokenizer)