[Bug tree-optimization/63512] New: [5 Regression] ICE: error: virtual use of statement not up-to-date

[Bug tree-optimization/63512] New: [5 Regression] ICE: error: virtual use of statement not up-to-date

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63512

            Bug ID: 63512
           Summary: [5 Regression] ICE: error: virtual use of statement
                    not up-to-date
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org

~ % cat ParseDeclCXX.ii
extern "C" {
void __assert_fail ();
unsigned long strlen (const char *);
}
class A
{
  int Data;
  int Length;

public:
  A (const char *p1) : Data ()
  {
    p1 ? void() : __assert_fail ();
    Length = strlen (p1);
  }
};
enum TokenKind
{
  semi
};
class B
{
public:
  void m_fn1 ();
};
class C
{
  void m_fn2 (TokenKind, int, A);
  struct D
  {
    D (int);
    B Range;
  };
  int *m_fn3 (const int &, int &, int **);
};
int a, b;
int *
C::m_fn3 (const int &, int &, int **)
{
  D c (0);
  if (a)
    c.Range.m_fn1 ();
  m_fn2 (semi, 0, b ? "" : a ? "alias declaration" : "using declaration");
}

 ~ % g++ -c -O2 ParseDeclCXX.ii
ParseDeclCXX.ii: In member function ‘int* C::m_fn3(const int&, int&, int**)’:
ParseDeclCXX.ii:38:1: error: virtual use of statement not up-to-date
 C::m_fn3 (const int &, int &, int **)
 ^
# VUSE <.MEM_16>
_21 = 17;
ParseDeclCXX.ii:38:1: internal compiler error: verify_ssa failed
0x10bb6b0b verify_ssa(bool, bool)
        ../../gcc/gcc/tree-ssa.c:1055
0x1087664b execute_function_todo
        ../../gcc/gcc/passes.c:1758
0x10877087 do_per_function
        ../../gcc/gcc/passes.c:1478
0x1087734f execute_todo
        ../../gcc/gcc/passes.c:1808
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/63512] [5 Regression] ICE: error: virtual use of statement not up-to-date
Date: Sat, 11 Oct 2014 21:59:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Component: tree-optimization
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X-Bugzilla-Who: trippels at gcc dot gnu.org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idc512

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |5.0

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Started with r216065.

[Bug tree-optimization/63512] [5 Regression] ICE: error: virtual use of statement not up-to-date

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63512

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2014-10-13
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.

[Bug tree-optimization/63512] [5 Regression] ICE: error: virtual use of statement not up-to-date

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63512

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Oct 14 07:36:02 2014
New Revision: 216174

URL: https://gcc.gnu.org/viewcvs?rev=216174&root=gcc&view=rev
Log:
2014-10-14  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/63512
    * tree-ssa-pre.c (create_expression_by_pieces): Mark stmts
    modified.

    * g++.dg/torture/pr63512.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr63512.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c

[Bug tree-optimization/63512] [5 Regression] ICE: error: virtual use of statement not up-to-date

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63512

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.