Greetings, The gcc.dg/vect/no-vfa-vect-depend-2.c failed for us, when linked with gold, but not when linked with BFD ld.
The problem appears to be off-by-one error causing array out of bounds access, fixed by attached patch. OK for trunk? Thanks, gcc/testsuite/ChangeLog: 2014-02-04 Paul Pluzhnikov <ppluzhni...@google.com> * gcc.dg/vect/no-vfa-vect-depend-2.c (main1): Fix buffer overflow. Index: gcc/testsuite/gcc.dg/vect/no-vfa-vect-depend-2.c =================================================================== --- gcc/testsuite/gcc.dg/vect/no-vfa-vect-depend-2.c (revision 207487) +++ gcc/testsuite/gcc.dg/vect/no-vfa-vect-depend-2.c (working copy) @@ -15,7 +15,7 @@ int i; /* Not vectorizable due to data dependence: dependence distance 1. */ - for (i = N - 1; i >= 0; i--) + for (i = N - 2; i >= 0; i--) { ia[i] = ia[i+1] * 4; } @@ -28,7 +28,7 @@ } /* Vectorizable. Dependence distance -1. */ - for (i = N - 1; i >= 0; i--) + for (i = N - 2; i >= 0; i--) { ib[i+1] = ib[i] * 4; }