[Bug tree-optimization/84480] [8 Regression] bogus -Wstringop-truncation despite assignment with an inlined string literal

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84480

Martin Sebor  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #5 from Martin Sebor  ---
Fixed in r257910.

[Bug tree-optimization/84480] [8 Regression] bogus -Wstringop-truncation despite assignment with an inlined string literal

[romain.geissler at amadeus dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84480

--- Comment #6 from Romain Geissler  ---
Thanks ;)

[Bug tree-optimization/84480] [8 Regression] bogus -Wstringop-truncation despite assignment with an inlined string literal

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84480

--- Comment #4 from Martin Sebor  ---
Author: msebor
Date: Thu Feb 22 17:35:29 2018
New Revision: 257910

URL: https://gcc.gnu.org/viewcvs?rev=257910=gcc=rev
Log:
PR tree-optimization/84480 - bogus -Wstringop-truncation despite assignment
with an inlined string literal

gcc/ChangeLog:

PR tree-optimization/84480
* gimple-fold.c (gimple_fold_builtin_strcpy): Move warnings
to maybe_diag_stxncpy_trunc.  Call it.
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Integrate warnings
from gimple_fold_builtin_strcpy.  Print inlining stack.
(handle_builtin_stxncpy): Print inlining stack.
* tree-ssa-strlen.h (maybe_diag_stxncpy_trunc): Declare.

gcc/testsuite/ChangeLog:

PR tree-optimization/84480
* c-c++-common/Wstringop-truncation.c: Adjust text of expected
warnings.
* g++.dg/warn/Wstringop-truncation-1.C: New test.


Added:
trunk/gcc/testsuite/g++.dg/warn/Wstringop-truncation-1.C
trunk/gcc/tree-ssa-strlen.h
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-fold.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/c-c++-common/Wstringop-truncation.c
trunk/gcc/tree-ssa-strlen.c

[Bug tree-optimization/84480] [8 Regression] bogus -Wstringop-truncation despite assignment with an inlined string literal

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84480

Martin Sebor  changed:

   What|Removed |Added

   Keywords||patch

--- Comment #3 from Martin Sebor  ---
Patch: https://gcc.gnu.org/ml/gcc-patches/2018-02/msg01247.html

[Bug tree-optimization/84480] [8 Regression] bogus -Wstringop-truncation despite assignment with an inlined string literal

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84480

Martin Sebor  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
   Assignee|unassigned at gcc dot gnu.org  |msebor at gcc dot 
gnu.org
Summary|Unexpected  |[8 Regression] bogus
   |-Wstringop-truncation on|-Wstringop-truncation
   |strncpy with string literal |despite assignment with an
   |at -O2  |inlined string literal