Merge to gccgo branch

I've merged trunk revision 269372 to the gccgo branch. Ian

Merge to gccgo branch

I merged trunk revision 245668 to the gccgo branch. I also committed the patches that have stacked up in gofrontend but have not yet been committed to trunk, to avoid destabilizing stage 4. Ian

Re: Go patch committed: Merge to gccgo branch

Now I've merged GCC trunk revision 243094 to the gccgo branch. Ian

Re: Go patch committed: Merge to gccgo branch

Now I've merged GCC trunk revision 243083 to the gccgo branch. Ian

Re: Go patch committed: Merge to gccgo branch

Now I've merged GCC trunk revision 242992 to the gccgo branch. Ian

Go patch committed: Merge to gccgo branch

I merged GCC trunk revision 242967 to the gccgo branch. Ian

Merge to gccgo branch

I merged trunk revision 219701 to the gccgo branch. Ian

Merge to gccgo branch

I merged mainlined revision 179565 to the gccgo branch. I included a patch disabling -fshrink-wrap if -fstack-prologue is enabled. Ian