GCC 4.7.x can be bootstraped with a basic C compiler/runtime. >From GCC 4.8, you must have c++98 compiler/runtime, which is of several order of magnitude more costly from a technical point of view.
For me, that reason is enough to start looking at other compilers (written/bootstrapable in C) and/or stick with GCC 4.7.x. -- Sylvain
