These are the packages that I would merge, in order:

Calculating dependencies    ...done!
[ebuild  NS   ] sys-devel/gcc-3.4.4-r1  (-altivec) -bootstrap -boundschecking -build +fortran -gcj +gtk -hardened -ip28 -mudflap (-multilib) -multislot (-n32) (-n64) +nls -nocxx -nopie -nossp -objc -objc-gc -vanilla 0 kB 

Total size of downloads: 0 kB