Why does GCC 6.3 compile this Braced-Init-List code without explicit C++11 support?

Question

I have a question about the different meanings of a curly-brace enclosed list.

I know that C++03 did not support C++11\'s initializer_list. Yet, even withou

Answer 1

The default compiler command for gcc 6.x is -std=gnu++14, so the compiler is implicitly compiling your code using a later version of the C++ language standard.

You will need to manually specify -std=c++03 if you want to compile in C++03.