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[Bug tree-optimization/59124] [4.8/4.9/5 Regression] Wrong warnings "array subscript is above array bounds"
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 19 Feb 2015 14:13:50 +0000
- Subject: [Bug tree-optimization/59124] [4.8/4.9/5 Regression] Wrong warnings "array subscript is above array bounds"
- Auto-submitted: auto-generated
- References: <bug-59124-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59124
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Feb 19 14:13:16 2015
New Revision: 220815
URL: https://gcc.gnu.org/viewcvs?rev=220815&root=gcc&view=rev
Log:
2015-02-19 Richard Biener <rguenther@suse.de>
Backport from mainline
2014-12-09 Richard Biener <rguenther@suse.de>
PR middle-end/64199
* fold-const.c (fold_binary_loc): Use TREE_OVERFLOW_P.
* gcc.dg/torture/pr64199.c: New testcase.
2015-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/64493
PR tree-optimization/64495
* tree-vect-loop.c (vect_finalize_reduction): For double-reductions
assign the proper vectorized PHI to the inner loop exit PHIs.
* gcc.dg/vect/pr64493.c: New testcase.
* gcc.dg/vect/pr64495.c: Likewise.
2015-01-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/56273
PR tree-optimization/59124
PR tree-optimization/64277
* tree-vrp.c (vrp_finalize): Emit array-bound warnings only
from the first VRP pass.
* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/Warray-bounds-12.c: Likewise.
* gcc.dg/Warray-bounds-13.c: Likewise.
2015-02-19 Richard Biener <rguenther@suse.de>
Backport from mainline
2015-01-15 Richard Biener <rguenther@suse.de>
PR middle-end/64365
* tree-data-ref.c (dr_analyze_indices): Make sure that accesses
for MEM_REF access functions with the same base can never partially
overlap.
* gcc.dg/torture/pr64365.c: New testcase.
Added:
branches/gcc-4_9-branch/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/Warray-bounds-12.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/Warray-bounds-13.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr64199.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr64365.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr64493.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr64495.c
Modified:
branches/gcc-4_9-branch/gcc/ChangeLog
branches/gcc-4_9-branch/gcc/fold-const.c
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
branches/gcc-4_9-branch/gcc/tree-data-ref.c
branches/gcc-4_9-branch/gcc/tree-vect-loop.c
branches/gcc-4_9-branch/gcc/tree-vrp.c