Refs #12847: fix hang in setVarIdPass1()

Author: chrchr-github

lib/tokenize.cpp

@@ -4508,6 +4508,15 @@ void Tokenizer::setVarId()
     for (Token *tok = list.front(); tok; tok = tok->next()) {
         if (tok->isName())
             tok->varId(0);
+        // commas in init..
+        if (!Token::Match(tok, "%name%|= {"))
+            continue;
+        for (Token* tok2 = tok->tokAt(2); tok2 != tok->link(); tok2 = tok2->next()) {
+            if (tok2->link() && Token::Match(tok2, "[{[(<]"))
+                tok2 = tok2->link();
+            else if (tok2->str() == ",")
+                tok2->isInitComma(true);
+        }
     }
 
     setVarIdPass1();
@@ -4838,7 +4847,7 @@ void Tokenizer::setVarIdPass1()
             }
 
             // function declaration inside executable scope? Function declaration is of form: type name "(" args ")"
-            if (scopeStack.top().isExecutable && Token::Match(tok, "%name% [,)[]")) {
+            if (scopeStack.top().isExecutable && Token::Match(tok, "%name% [,)[]") && !tok->next()->isInitComma()) {
                 bool par = false;
                 const Token* start;
                 Token* end;

lib/valueflow.cpp

@@ -8626,18 +8626,6 @@ void ValueFlow::setValues(TokenList& tokenlist,
     for (Token* tok = tokenlist.front(); tok; tok = tok->next())
         tok->clearValueFlow();
 
-    // commas in init..
-    for (Token* tok = tokenlist.front(); tok; tok = tok->next()) {
-        if (tok->str() != "{" || !tok->astOperand1())
-            continue;
-        for (Token* tok2 = tok->next(); tok2 != tok->link(); tok2 = tok2->next()) {
-            if (tok2->link() && Token::Match(tok2, "[{[(<]"))
-                tok2 = tok2->link();
-            else if (tok2->str() == ",")
-                tok2->isInitComma(true);
-        }
-    }
-
     ValueFlowPassRunner runner{ValueFlowState{tokenlist, symboldatabase, errorLogger, settings}, timerResults};
     runner.run_once({
         VFA(analyzeEnumValue(symboldatabase, settings)),