SymbolDatabase: Hardcoded handling for std::make_shared and std::make_unique , todo: library configuration would be better than hard coding

lib/symboldatabase.cpp

@@ -5591,6 +5591,19 @@ void SymbolDatabase::setValueTypeInTokenList(bool reportDebugWarnings)
                         setValueType(tok, vt);
                         continue;
                     }
+
+                    const std::string e = tok->astOperand1()->expressionString();
+
+                    if ((e == "std::make_shared" || e == "std::make_unique") && Token::Match(tok->astOperand1(), ":: %name% < %name%")) {
+                        ValueType vt;
+                        parsedecl(tok->astOperand1()->tokAt(3), &vt, mDefaultSignedness, mSettings);
+                        if (vt.typeScope) {
+                            vt.smartPointerType = vt.typeScope->definedType;
+                            vt.typeScope = nullptr;
+                            setValueType(tok, vt);
+                            continue;
+                        }
+                    }
                 }
 
                 const std::string& typestr(mSettings->library.returnValueType(tok->previous()));

test/testautovariables.cpp

@@ -2349,8 +2349,7 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
-    void danglingTemporaryLifetime()
+    void danglingTemporaryLifetime() {
-    {
         check("const int& g(const int& x) {\n"
               "    return x;\n"
               "}\n"

test/testsymboldatabase.cpp

@@ -6382,6 +6382,9 @@ private:
         // Variable declaration
         ASSERT_EQUALS("char *", typeOf("; char abc[] = \"abc\";", "["));
         ASSERT_EQUALS("", typeOf("; int x[10] = { [3]=1 };", "[ 3 ]"));
+
+        // std::make_shared
+        ASSERT_EQUALS("smart-pointer<C>", typeOf("class C {}; x = std::make_shared<C>();", "("));
     }
 
     void variadic1() { // #7453