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[Bug tree-optimization/84238] [8 Regression] ICE tree check: expected integer_cst, have plus_expr in to_wide, at tree.h:5527
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 08 Feb 2018 16:18:35 +0000
- Subject: [Bug tree-optimization/84238] [8 Regression] ICE tree check: expected integer_cst, have plus_expr in to_wide, at tree.h:5527
- Auto-submitted: auto-generated
- References: <bug-84238-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84238
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Thu Feb 8 16:18:04 2018
New Revision: 257497
URL: https://gcc.gnu.org/viewcvs?rev=257497&root=gcc&view=rev
Log:
PR tree-optimization/84238
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Verify the result of
get_range_strlen.
* gcc.dg/Wstringop-overflow-3.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/Wstringop-overflow-3.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-strlen.c