http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47744
--- Comment #10 from Uros Bizjak <ubizjak at gmail dot com> 2011-07-17 17:26:15 UTC --- Compiling with current mainline, I got: pr47744.c:5:1: internal compiler error: in create_mem_ref, at tree-ssa-address.c:806 Please submit a full bug report, for all three examples here. Apparently, current mainline does not survive tree passes yet ...