http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538
--- Comment #4 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-01-30 02:07:23 UTC --- On x86_64-apple-darwin10, the cheb test fails when integ.c is compiled at -O1 at... gdb ./test Reason: KERN_INVALID_ADDRESS at address: 0x0000000100200000 0x0000000100002340 in gsl_cheb_calc_integ (integ=0x100100620, f=0x100100080) at integ.c:55 55 integ->c[i] = con * (f->c[i-1] - f->c[i+1])/((double)i); (gdb) bt #0 0x0000000100002340 in gsl_cheb_calc_integ (integ=0x100100620, f=0x100100080) at integ.c:55 #1 0x0000000100001888 in main () at test.c:181 (gdb) quit