GCC 4.9 vs. 5.3 vs. 6.0 Compiler Benchmarks On Debian 8.4

With GCC 6.1 due out soon with its plethora of new features and improvements, I decided to run some fresh benchmarks this week of GCC 4.9.3 vs. GCC 5.3 vs. GCC 6.0.0 on a Debian stable system...