------- Comment #16 from fxcoudert at gcc dot gnu dot org 2006-10-17 13:01 ------- Hurray! I can now also reproduce this on x86_64-linux with ElectricFence. Run f951 inside gdb and preload ElectricFence (in gdb: set environment LD_PRELOAD /usr/lib64/libefence.so). The segfault backtrace is:
Program received signal SIGSEGV, Segmentation fault. 0x0000003ff2471890 in memcpy () from /lib64/tls/libc.so.6 (gdb) where #0 0x0000003ff2471890 in memcpy () from /lib64/tls/libc.so.6 #1 0x0000000000418ab7 in gfc_copy_expr (p=0x2a98d0cf68) at ../../trunk/gcc/fortran/expr.c:454 #2 0x0000000000442935 in gfc_match_rvalue (result=0x7fbfffea58) at ../../trunk/gcc/fortran/primary.c:2005 #3 0x00000000004356f4 in match_mult_operand (result=0x7fbfffeab0) at ../../trunk/gcc/fortran/matchexp.c:163 #4 0x000000000043594c in match_add_operand (result=0x7fbfffeb00) at ../../trunk/gcc/fortran/matchexp.c:382 #5 0x0000000000435bc3 in match_level_2 (result=0x7fbfffeb48) at ../../trunk/gcc/fortran/matchexp.c:501 #6 0x0000000000435cfa in match_level_3 (result=0x7fbfffeba8) at ../../trunk/gcc/fortran/matchexp.c:572 #7 0x0000000000435e0a in match_and_operand (result=0x7fbfffebf8) at ../../trunk/gcc/fortran/matchexp.c:620 #8 0x000000000043602a in match_or_operand (result=0x7fbfffec38) at ../../trunk/gcc/fortran/matchexp.c:735 #9 0x000000000043611a in match_equiv_operand (result=0x7fbfffec80) at ../../trunk/gcc/fortran/matchexp.c:778 #10 0x00000000004361fb in match_level_5 (result=0x7fbfffece8) at ../../trunk/gcc/fortran/matchexp.c:824 #11 0x0000000000436309 in gfc_match_expr (result=0x7fbfffee88) at ../../trunk/gcc/fortran/matchexp.c:883 #12 0x000000000043240a in gfc_match (target=0x965976 " if ( %e") at ../../trunk/gcc/fortran/match.c:663 #13 0x000000000043478e in gfc_match_if (if_type=0x7fbfffeedc) at ../../trunk/gcc/fortran/match.c:980 -- fxcoudert at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- GCC target triplet|i486-linux-gnu | Last reconfirmed|2006-09-13 21:44:02 |2006-10-17 13:01:41 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29067