[Bug tree-optimization/79800] [7 Regression] wrong snprintf result range with precision in a narrow negative-positive range

2017-03-14 Thread law at redhat dot com 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79800

Jeffrey A. Law  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 CC||law at redhat dot com
 Resolution|--- |FIXED

--- Comment #4 from Jeffrey A. Law  ---
Fixed by Martin's patch on the trunk.

[Bug tree-optimization/79800] [7 Regression] wrong snprintf result range with precision in a narrow negative-positive range

2017-03-14 Thread law at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79800

--- Comment #3 from Jeffrey A. Law  ---
Author: law
Date: Wed Mar 15 04:31:27 2017
New Revision: 246151

URL: https://gcc.gnu.org/viewcvs?rev=246151=gcc=rev
Log:
PR tree-optimization/79800
* gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
precision in negative-positive range.
(format_floating): Call non-const overload with adjusted precision.

PR tree-optimization/79800
* gcc.dg/tree-ssa/builtin-sprintf-warn-15.c: Add test cases.
* gcc.dg/tree-ssa/pr79800.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr79800.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-ssa-sprintf.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-15.c

[Bug tree-optimization/79800] [7 Regression] wrong snprintf result range with precision in a narrow negative-positive range

2017-03-13 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79800

Martin Sebor  changed:

   What|Removed |Added

   Keywords||patch

--- Comment #2 from Martin Sebor  ---
Patch posted for review:
https://gcc.gnu.org/ml/gcc-patches/2017-03/msg00687.html

[Bug tree-optimization/79800] [7 Regression] wrong snprintf result range with precision in a narrow negative-positive range

2017-03-02 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79800

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P1
   Target Milestone|--- |7.0
Summary|wrong snprintf result range |[7 Regression] wrong
   |with precision in a narrow  |snprintf result range with
   |negative-positive range |precision in a narrow
   ||negative-positive range