http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538
--- Comment #2 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-01-30 01:49:49 UTC --- Same wrong code generation seen with gcc trunk on x86_64 linux at -O2. On both x86_64-apple-darwin10 and x86_64 linux, compiling gsl-1.14/cheb/integ.c at -O0 eliminates the make check failures in gsl.