[Bug c/35751] New: ICE with invalid variable after #pragma omp parallel

[Bug c/35751] New: ICE with invalid variable after #pragma omp parallel

[reichelt at gcc dot gnu dot org]

The following invalid code snippet triggers an ICE since GCC 4.2.0:

=================================
void foo(int i)
{
  extern int a[i];

  #pragma omp parallel
    a[0] = 0;
}
=================================

bug.c: In function 'foo':
bug.c:3: error: object with variably modified type must have no linkage
bug.c:3: error: storage size of 'a' isn't constant
bug.c:6: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]


-- 
           Summary: ICE with invalid variable after #pragma omp parallel
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code, error-recovery, monitored, openmp
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: reichelt at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35751

[Bug c/35751] ICE with invalid variable after #pragma omp parallel

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2008-03-30 20:57 -------
Confirmed.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2008-03-30 20:57:39
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35751

[Bug c/35751] ICE with invalid variable after #pragma omp parallel

[jakub at gcc dot gnu dot org]

-- 

jakub at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |jakub at gcc dot gnu dot org
                   |dot org                     |
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2008-03-30 20:57:39         |2008-04-03 16:44:46
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35751

[Bug c/35751] ICE with invalid variable after #pragma omp parallel

[jakub at gcc dot gnu dot org]

------- Comment #2 from jakub at gcc dot gnu dot org  2008-04-15 15:10 -------
Subject: Bug 35751

Author: jakub
Date: Tue Apr 15 15:09:42 2008
New Revision: 134317

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=134317
Log:
        PR c/35751
        * c-decl.c (finish_decl): If extern or static var has variable
        size, set TREE_TYPE (decl) to error_mark_node.

        * decl.c (layout_var_decl): If extern or static var has variable
        size, set TREE_TYPE (decl) to error_mark_node.

        * gcc.dg/gomp/pr35751.c: New test.
        * g++.dg/gomp/pr35751.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/gomp/pr35751.C
    trunk/gcc/testsuite/gcc.dg/gomp/pr35751.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-decl.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35751

[Bug c/35751] ICE with invalid variable after #pragma omp parallel

[jakub at gcc dot gnu dot org]

------- Comment #3 from jakub at gcc dot gnu dot org  2008-04-15 15:19 -------
Subject: Bug 35751

Author: jakub
Date: Tue Apr 15 15:18:41 2008
New Revision: 134318

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=134318
Log:
        PR c/35751
        * c-decl.c (finish_decl): If extern or static var has variable
        size, set TREE_TYPE (decl) to error_mark_node.

        * decl.c (layout_var_decl): If extern or static var has variable
        size, set TREE_TYPE (decl) to error_mark_node.

        * gcc.dg/gomp/pr35751.c: New test.
        * g++.dg/gomp/pr35751.C: New test.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/g++.dg/gomp/pr35751.C
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/gomp/pr35751.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/c-decl.c
    branches/gcc-4_3-branch/gcc/cp/ChangeLog
    branches/gcc-4_3-branch/gcc/cp/decl.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35751

[Bug c/35751] ICE with invalid variable after #pragma omp parallel

[jakub at gcc dot gnu dot org]

------- Comment #4 from jakub at gcc dot gnu dot org  2008-04-15 15:21 -------
Fixed.


-- 

jakub at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35751