Comment 13 for bug 618684

backtrace on trunk:

(gdb) bt
#0 fancy_abort (file=0x786084 "../../trunk/gcc/reload1.c", line=6470, function=0x785f8c "choose_reload_regs") at ../../trunk/gcc/diagnostic.c:712
#1 0x002ba378 in choose_reload_regs (chain=<value optimized out>) at ../../trunk/gcc/reload1.c:6470
#2 0x002baf08 in reload_as_needed (live_known=<value optimized out>) at ../../trunk/gcc/reload1.c:4240
#3 0x002bf868 in reload (first=<value optimized out>, global=<value optimized out>) at ../../trunk/gcc/reload1.c:1169
#4 0x0068815c in rest_of_handle_ira () at ../../trunk/gcc/ira.c:2018
#5 0x0026ebc8 in execute_one_pass (pass=0x91fa54) at ../../trunk/gcc/passes.c:1279
#6 0x0026ee34 in execute_pass_list (pass=0x91fa54) at ../../trunk/gcc/passes.c:1328
#7 0x0026ee4c in execute_pass_list (pass=0x91a390) at ../../trunk/gcc/passes.c:1329
#8 0x003726f4 in tree_rest_of_compilation (fndecl=0x40232780) at ../../trunk/gcc/tree-optimize.c:419
#9 0x004e92d4 in cgraph_expand_function (node=0x401b0900) at ../../trunk/gcc/cgraphunit.c:1047
#10 0x004eb35c in cgraph_optimize () at ../../trunk/gcc/cgraphunit.c:1106
#11 0x0001cabc in c_write_global_declarations () at ../../trunk/gcc/c-decl.c:8074
#12 0x0031e58c in toplev_main (argc=<value optimized out>, argv=<value optimized out>) at ../../trunk/gcc/toplev.c:981
#13 0x40095dfc in __libc_start_main () from /lib/libc.so.6
#14 0x0000aa7c in _start ()