tree-ssa-alias.h (ranges_overlap_p): Handle negative offsets.
authorMarc Glisse <marc.glisse@inria.fr>
Tue, 5 Nov 2013 12:38:00 +0000 (13:38 +0100)
committerMarc Glisse <glisse@gcc.gnu.org>
Tue, 5 Nov 2013 12:38:00 +0000 (12:38 +0000)
commit75081240d0d199603e08ca73bb99bc1045af2c4a
tree80a5e2eddacbf6218ad99eb877fff486f31fc166
parent3ff2ca23dcf986e846691ec259da9243c636e64c
tree-ssa-alias.h (ranges_overlap_p): Handle negative offsets.

2013-11-05  Marc Glisse  <marc.glisse@inria.fr>

gcc/
* tree-ssa-alias.h (ranges_overlap_p): Handle negative offsets.
* tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Likewise.

gcc/testsuite/
* gcc.dg/tree-ssa/alias-26.c: New file.

From-SVN: r204388
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/tree-ssa/alias-26.c [new file with mode: 0644]
gcc/tree-ssa-alias.c
gcc/tree-ssa-alias.h