Message ID | 9cf3ac7f-6629-a795-7d0e-8ade3c53184b@redhat.com |
---|---|
State | New |
Headers | show |
Series | Minor tree-ssa-dse.c bugfix | expand |
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dc17b705025..d5ee088e77f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-10-12 Jeff Law <law@redhat.com> + + * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject ao_refs with + negative offsets. + 2017-10-12 Martin Sebor <msebor@redhat.com> PR other/82301 diff --git a/gcc/tree-ssa-dse.c b/gcc/tree-ssa-dse.c index 6f58fffc693..87e2fce9ac5 100644 --- a/gcc/tree-ssa-dse.c +++ b/gcc/tree-ssa-dse.c @@ -131,6 +131,7 @@ valid_ao_ref_for_dse (ao_ref *ref) && ref->max_size != -1 && ref->size != 0 && ref->max_size == ref->size + && ref->offset >= 0 && (ref->offset % BITS_PER_UNIT) == 0 && (ref->size % BITS_PER_UNIT) == 0 && (ref->size != -1));