Fix 10931: Assert failure in setSymbolic() (#3967)

* Fix 10931: Assert failure in setSymbolic()

* Format

lib/symboldatabase.cpp

@@ -1466,6 +1466,9 @@ void SymbolDatabase::createSymbolDatabaseEscapeFunctions()
 
 static bool isExpression(const Token* tok)
 {
+    if (Token::simpleMatch(tok, "{") && tok->scope() && tok->scope()->bodyStart != tok &&
+        (tok->astOperand1() || tok->astOperand2()))
+        return true;
     if (!Token::Match(tok, "(|.|[|::|?|:|++|--|%cop%|%assign%"))
         return false;
     if (Token::Match(tok, "*|&|&&")) {

test/testautovariables.cpp

@@ -3203,7 +3203,8 @@ private:
               "A f() {\n"
               "    return A{0};\n"
               "}\n");
-        TODO_ASSERT_EQUALS("error", "", errout.str());
+        ASSERT_EQUALS("[test.cpp:8] -> [test.cpp:8]: (error) Returning object that will be invalid when returning.\n",
+                      errout.str());
 
         check("struct A {\n"
               "    int n;\n"

test/testvalueflow.cpp

@@ -6428,6 +6428,12 @@ private:
                "    return x;\n"
                "}\n";
         valueOfTok(code, "x");
+
+        code = "int* g();\n"
+               "void f() {\n"
+               "    std::cout << (void*)(std::shared_ptr<int>{ g() }.get());\n"
+               "}\n";
+        valueOfTok(code, ".");
     }
 
     void valueFlowHang() {