I am going to check this change in as obvious later today if there are no objections, the test gives warnings on HP-UX because it calls __builtin_return_address with arguments of 0 through 5 but the value 0 is the only valid argument to __builtin_return_address on HP-UX.
Tested on IA64 and PA HP-UX. Steve Ellcey s...@cup.hp.com 2011-10-20 Steve Ellcey <s...@cup.hp.com> PR testsuite/50722 * gcc.dg/pr49994-3.c: Skip on HP-UX. Index: gcc.dg/pr49994-3.c =================================================================== --- gcc.dg/pr49994-3.c (revision 180233) +++ gcc.dg/pr49994-3.c (working copy) @@ -2,6 +2,7 @@ /* { dg-options "-O2 -fsched2-use-superblocks -g" } */ /* { dg-options "-O2 -fsched2-use-superblocks -g -mbackchain" { target s390*-*-* } } */ /* { dg-require-effective-target scheduling } */ +/* { dg-skip-if "" { *-*-hpux* } { "*" } { "" } } */ void * foo (int offset)