[Bug sanitizer/55702] New: ICE: in instrument_func_exit, at tsan.c:684 with -fsanitize=thread and __builtin_return()

[Bug sanitizer/55702] New: ICE: in instrument_func_exit, at tsan.c:684 with -fsanitize=thread and __builtin_return()

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55702

             Bug #: 55702
           Summary: ICE: in instrument_func_exit, at tsan.c:684 with
                    -fsanitize=thread and __builtin_return()
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
                CC: dodji@gcc.gnu.org, dvyukov@gcc.gnu.org,
                    jakub@gcc.gnu.org, kcc@gcc.gnu.org


Created attachment 28974
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28974
reduced testcase

Compiler output:
$ gcc -fsanitize=thread testcase.c
testcase.c: In function 'foo':
testcase.c:2:1: internal compiler error: in instrument_func_exit, at tsan.c:684
 foo ()
 ^
0xa40bf8 instrument_func_exit
        /mnt/svn/gcc-trunk/gcc/tsan.c:684
0xa40bf8 tsan_pass
        /mnt/svn/gcc-trunk/gcc/tsan.c:702
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.

Tested revisions:
r194496 - crash

[Bug sanitizer/55702] ICE: in instrument_func_exit, at tsan.c:684 with -fsanitize=thread and __builtin_return()

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55702

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-04-03
                 CC|                            |mpolacek at gcc dot gnu.org
     Ever Confirmed|0                           |1
      Known to fail|                            |4.9.0

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-03 12:58:19 UTC ---
Confirmed.

[Bug sanitizer/55702] ICE: in instrument_func_exit, at tsan.c:684 with -fsanitize=thread and __builtin_return()

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55702

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |mpolacek at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-03 13:18:16 UTC ---
I think I have a patch.

[Bug sanitizer/55702] ICE: in instrument_func_exit, at tsan.c:684 with -fsanitize=thread and __builtin_return()

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55702

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.9.0

[Bug sanitizer/55702] ICE: in instrument_func_exit, at tsan.c:684 with -fsanitize=thread and __builtin_return()

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55702

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-03 16:02:48 UTC ---
Author: mpolacek
Date: Wed Apr  3 16:01:38 2013
New Revision: 197430

URL: http://gcc.gnu.org/viewcvs?rev=197430&root=gcc&view=rev
Log:
    PR sanitizer/55702
    * tsan.c (instrument_func_exit): Allow BUILT_IN_RETURN
    functions.

    * gcc.dg/pr55702.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr55702.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tsan.c

[Bug sanitizer/55702] ICE: in instrument_func_exit, at tsan.c:684 with -fsanitize=thread and __builtin_return()

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55702

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-03 16:06:46 UTC ---
Author: mpolacek
Date: Wed Apr  3 16:06:26 2013
New Revision: 197432

URL: http://gcc.gnu.org/viewcvs?rev=197432&root=gcc&view=rev
Log:
    PR sanitizer/55702
    * tsan.c (instrument_func_exit): Allow BUILT_IN_RETURN
    functions.

    * gcc.dg/pr55702.c: New test.


Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/pr55702.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tsan.c

[Bug sanitizer/55702] ICE: in instrument_func_exit, at tsan.c:684 with -fsanitize=thread and __builtin_return()

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55702

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

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

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-03 16:06:55 UTC ---
Fixed.