[Bug sanitizer/79783] [7 Regression] ICE on valid C++ with -fsanitize=address

2017-03-06 Thread marxin at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79783

Martin Liška  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #3 from Martin Liška  ---
Fixed.

[Bug sanitizer/79783] [7 Regression] ICE on valid C++ with -fsanitize=address

2017-03-06 Thread marxin at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79783

--- Comment #2 from Martin Liška  ---
Author: marxin
Date: Mon Mar  6 10:20:33 2017
New Revision: 245912

URL: https://gcc.gnu.org/viewcvs?rev=245912=gcc=rev
Log:
Fix ICE in use-after-scope w/ -fno-tree-dce (PR sanitize/79783).

2017-03-06  Martin Liska  

PR sanitize/79783
* asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
when having a SSA NAME w/o VAR_DECL assigned to it.
2017-03-06  Martin Liska  

PR sanitize/79783
* g++.dg/asan/pr79783.C: New test.

Added:
trunk/gcc/testsuite/g++.dg/asan/pr79783.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/asan.c
trunk/gcc/testsuite/ChangeLog

[Bug sanitizer/79783] [7 Regression] ICE on valid C++ with -fsanitize=address

2017-03-01 Thread reichelt at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79783

Volker Reichelt  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 CC||reichelt at gcc dot gnu.org
  Known to work||6.1.0
 Ever confirmed|0   |1
  Known to fail||7.0.1

--- Comment #1 from Volker Reichelt  ---
Even simpler testcase, crashes with -O -fsanitize=address -fno-tree-dce :

=
struct A
{
  static void foo(const char&) {}
};

struct B
{
  B() { A::foo(char()); }
};

struct C
{
  virtual void bar() const { B b; }
};

C c;
=

[Bug sanitizer/79783] [7 Regression] ICE on valid C++ with -fsanitize=address

2017-03-01 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79783

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P1

[Bug sanitizer/79783] [7 Regression] ICE on valid C++ with -fsanitize=address

2017-03-01 Thread marxin at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79783

Martin Liška  changed:

   What|Removed |Added

   Last reconfirmed||2017-3-1
   Assignee|unassigned at gcc dot gnu.org  |marxin at gcc dot 
gnu.org
   Target Milestone|--- |7.0