Small-Size Optimization in C

http://nullprogram.com/blog/2016/10/07/

>>1
Sepples STD refused VLAs because they intefere with compile-time templatization(VLA rely on runtime value for size)
http://stackoverflow.com/questions/1887097/variable-length-arrays-in-c
And GCC,clang,intel C++ all work with VLAs in C++
https://gcc.gnu.org/onlinedocs/gcc/Variable-Length.html
http://stackoverflow.com/questions/5502602/icc-segfaulting-with-variable-length-arrays
http://clang.llvm.org/compatibility.html