Fix 11848: Assert failure in getParentValueTypes() (#5274)

Author: pfultz2

lib/symboldatabase.cpp

@@ -3490,16 +3490,28 @@ const Token *Type::initBaseInfo(const Token *tok, const Token *tok1)
     return tok2;
 }
 
-const std::string& Type::name() const
+std::string Type::name() const
 {
-    const Token* next = classDef->next();
+    const Token* start = classDef->next();
     if (classScope && classScope->enumClass && isEnumType())
-        return next->strAt(1);
-    if (next->str() == "class")
-        return next->strAt(1);
-    if (next->isName())
-        return next->str();
-    return emptyString;
+        start = start->tokAt(1);
+    else if (start->str() == "class")
+        start = start->tokAt(1);
+    else if (!start->isName())
+        return emptyString;
+    const Token* next = start;
+    while (Token::Match(next, "::|<|>|(|)|[|]|*|&|&&|%name%")) {
+        if (Token::Match(next, "<|(|[") && next->link())
+            next = next->link();
+        next = next->next();
+    }
+    std::string result;
+    for (const Token* tok = start; tok != next; tok = tok->next()) {
+        if (!result.empty())
+            result += ' ';
+        result += tok->str();
+    }
+    return result;
 }
 
 void SymbolDatabase::debugMessage(const Token *tok, const std::string &type, const std::string &msg) const

lib/symboldatabase.h

@@ -131,7 +131,7 @@ class CPPCHECKLIB Type {
         }
     }
 
-    const std::string& name() const;
+    std::string name() const;
 
     const std::string& type() const {
         return classDef ? classDef->str() : emptyString;

test/testvalueflow.cpp

@@ -6812,6 +6812,14 @@ class TestValueFlow : public TestFixture {
                "    dummy_resource::log.clear();\n"
                "}\n";
         valueOfTok(code, "log");
+
+        code = "struct D : B<int> {\n"
+               "    D(int i, const std::string& s) : B<int>(i, s) {}\n"
+               "};\n"
+               "template<> struct B<int>::S {\n"
+               "    int j;\n"
+               "};\n";
+        valueOfTok(code, "B");
     }
 
     void valueFlowCrash() {