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[Bug tree-optimization/64277] [4.9 Regression] Incorrect warning "array subscript is above array bounds"
- From: "ienkovich at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 28 Jan 2015 11:42:12 +0000
- Subject: [Bug tree-optimization/64277] [4.9 Regression] Incorrect warning "array subscript is above array bounds"
- Auto-submitted: auto-generated
- References: <bug-64277-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64277
--- Comment #18 from ienkovich at gcc dot gnu.org ---
Author: ienkovich
Date: Wed Jan 28 11:41:40 2015
New Revision: 220204
URL: https://gcc.gnu.org/viewcvs?rev=220204&root=gcc&view=rev
Log:
gcc/
PR tree-optimization/64277
* tree-ssa-loop-niter.c (record_nonwrapping_iv): Use base
range info when possible to refine estimation.
gcc/testsuite/
PR tree-optimization/64277
* gcc.dg/pr64277.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/pr64277.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-niter.c