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From: "Joost.VandeVondele at mat dot ethz.ch" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug sanitizer/55561] New: TSAN crashes for Fortran
Date: Sun, 02 Dec 2012 08:16:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55561

             Bug #: 55561
           Summary: TSAN crashes for Fortran
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: Joost.VandeVondele@mat.ethz.ch
                CC: dodji@gcc.gnu.org, dvyukov@gcc.gnu.org,
                    jakub@gcc.gnu.org, kcc@gcc.gnu.org


Current trunk crashes if -fsanitize=thread is used for Fortran programs. This
is contrary to -fsanitize=address, which seems to work (PR55341). I think there
would be quite some interest in having -fsanitize=thread to work for OMP'ed
Fortran programs.

> cat test.f90
J=0
!$OMP PARALLEL DO
DO I=1,10
   J=J+1
ENDDO
WRITE(6,*) J
END

> gfortran -fopenmp -fsanitize=thread test.f90 
test.f90:7:0: internal compiler error: Segmentation fault
 END
 ^
0x98cc1f crash_signal
        ../../gcc/gcc/toplev.c:334
0x6718e0 contains_struct_check
        ../../gcc/gcc/tree.h:3784
0x6718e0 build_call_expr_loc_array(unsigned int, tree_node*, int, tree_node**)
        ../../gcc/gcc/builtins.c:11206
0x672f82 build_call_expr(tree_node*, int, ...)
        ../../gcc/gcc/builtins.c:11256
0x9a0d76 tsan_finish_file()
        ../../gcc/gcc/tsan.c:316
Please submit a full bug report,