http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46179
--- Comment #3 from Finn Thain <fthain at telegraphics dot com.au> 2010-10-27 00:47:23 UTC --- > Just to check that this is not a lingering issue from backporting, do you have > the following comment in gcc/config/m68k/m68k.c ? Yes, I checked that much. After that, I checked that the FINAL_PRESCAN_INSN macro was being expanded properly: $ m68k-linux-gnu-nm gcc/final.o | grep m68k U m68k_final_prescan_insn U m68k_illegitimate_symbolic_constant_p U m68k_output_addr_const_extra At that point, I decided to build the gcc 4.5 snapshot (which needs no backporting at all), and found the same failure. Then I filed the bug report...