Revert "Remove bailout. It hides lots of warnings for real code to avoid FP in unused templates."

This reverts commit 2a4be5ae1c.

When I look at daca@home now there are still lots of false negatives. So this bailout did not cause as much false negatives as I thought.

lib/checkclass.cpp

@@ -145,6 +145,13 @@ void CheckClass::constructors()
             if (!func.hasBody() || !(func.isConstructor() || func.type == Function::eOperatorEqual))
                 continue;
 
+            // Bail: If initializer list is not recognized as a variable or type then skip since parsing is incomplete
+            if (func.type == Function::eConstructor) {
+                const Token *initList = func.constructorMemberInitialization();
+                if (Token::Match(initList, ": %name% (") && initList->next()->tokType() == Token::eName)
+                    break;
+            }
+
             // Mark all variables not used
             clearAllVar(usage);
 

test/testconstructors.cpp

@@ -3885,8 +3885,7 @@ private:
               "};\n"
               "template<class T1, class T2>\n"
               "A<B<T1, T2>>::A() : m_value(false) {}\n");
-        // TODO: Avoid FP somehow
-        TODO_ASSERT_EQUALS("", "[test.cpp:10]: (warning) Member variable 'A::m_value' is not initialized in the constructor.\n", errout.str());
+        ASSERT_EQUALS("", errout.str());
     }
 };