[Bug middle-end/30835] ICE with -O2 -ftree-loop-linear

[steven at gcc dot gnu dot org]

------- Comment #1 from steven at gcc dot gnu dot org  2007-02-17 20:24 -------
(gdb) run
Starting program: ./f951 -O2 -ftree-loop-linear t.f90
 xas_env_init
Analyzing compilation unit
Performing interprocedural optimizations
 <visibility> <early_local_cleanups> <inline> <static-var> <pure-const>
<type-escape-var>Assembling functions:
 xas_env_init
Program received signal SIGSEGV, Segmentation fault.
0x0000000000d17446 in can_convert_to_perfect_nest (loop=0x1147530)
    at ../../trunk/gcc/lambda-code.c:2363
2363                                    if (bb_for_stmt (arg_stmt)->loop_father
(gdb) bt 10
#0  0x0000000000d17446 in can_convert_to_perfect_nest (loop=0x1147530)
    at ../../trunk/gcc/lambda-code.c:2363
#1  0x0000000000d1272b in gcc_loopnest_to_lambda_loopnest (loop_nest=0x1147530,
    inductionvars=0x7ffffff106b8, invariants=0x7ffffff106b0) at
../../trunk/gcc/lambda-code.c:1475
#2  0x0000000000ce2944 in linear_transform_loops () at
../../trunk/gcc/tree-loop-linear.c:322
#3  0x0000000000902b26 in tree_linear_transform () at
../../trunk/gcc/tree-ssa-loop.c:217
#4  0x0000000000729274 in execute_one_pass (pass=0x1048420) at
../../trunk/gcc/passes.c:1055
#5  0x00000000007293be in execute_pass_list (pass=0x1048420) at
../../trunk/gcc/passes.c:1107
#6  0x00000000007293dc in execute_pass_list (pass=0x1048240) at
../../trunk/gcc/passes.c:1108
#7  0x00000000007293dc in execute_pass_list (pass=0x1047700) at
../../trunk/gcc/passes.c:1108
#8  0x0000000000852d84 in tree_rest_of_compilation (fndecl=0x2aaaab14d2a0)
    at ../../trunk/gcc/tree-optimize.c:412
#9  0x0000000000479d6b in gfc_expand_function (fndecl=0x2aaaab14d2a0)
    at ../../trunk/gcc/fortran/f95-lang.c:239
(More stack frames follow...)
(gdb)        


-- 

steven 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         |2007-02-17 20:24:42
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30835