[Bug middle-end/32077] New: [Regression 4.3] Profile-use: ICE: Segmentation fault

[Bug middle-end/32077] New: [Regression 4.3] Profile-use: ICE: Segmentation fault

[burnus at gcc dot gnu dot org]

$ gfortran -fprofile-generate -march=opteron -ffast-math -funroll-loops
-ftree-vectorize -msse3 -O3 gas_dyn.f90
$ ./a.out
[...]
$ gfortran -fprofile-use -march=opteron -ffast-math -funroll-loops
-ftree-vectorize -msse3 -O3 gas_dyn.f90
gas_dyn.f90: In function 'eos':
gas_dyn.f90:360: internal compiler error: Segmentation fault

This is with http://www.polyhedron.co.uk/pb05/polyhedron_benchmark_suite.html

This is on x86_64-unknown-linux-gnu with gcc-Version 4.3.0 20070525.

Working with: 2007-05-17
Failing since: 2007-05-18


-- 
           Summary: [Regression 4.3] Profile-use: ICE: Segmentation fault
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: burnus at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32077

[Bug middle-end/32077] [Regression 4.3] Profile-use: ICE: Segmentation fault

[burnus at gcc dot gnu dot org]

------- Comment #1 from burnus at gcc dot gnu dot org  2007-05-25 09:53 -------
Zdenek, I think your patch caused the ICE, could you have a look?
http://gcc.gnu.org/ml/gcc-cvs/2007-05/msg00485.html

(Maybe I'm wrong about the patch, there were some other issues around that
time, which caused gas_dyn.f90 failures (e.g. with "-m32"), which were fixed
only yesterday.)

Working with: 2007-05-17, r124781
Failing since: 2007-05-18, r124816


Valgrind:

==28129== Conditional jump or move depends on uninitialised value(s)
==28129==    at 0x7A3708: vrp_evaluate_conditional_warnv (tree-vrp.c:4814)
==28129==    by 0x7A3DA9: vrp_evaluate_conditional (tree-vrp.c:4946)
==28129==    by 0x77ED85: thread_across_edge (tree-ssa-threadedge.c:443)
==28129==    by 0x79F3A3: vrp_finalize (tree-vrp.c:5860)
==28129==    by 0x7A05CA: execute_vrp (tree-vrp.c:6011)
==28129==    by 0x609FC0: execute_one_pass (passes.c:1067)
==28129==    by 0x60A17B: execute_pass_list (passes.c:1119)
==28129==    by 0x60A18D: execute_pass_list (passes.c:1120)
==28129==    by 0x6D3E07: tree_rest_of_compilation (tree-optimize.c:406)
==28129==    by 0x812AAF: cgraph_expand_function (cgraphunit.c:1086)
==28129==    by 0x814F51: cgraph_optimize (cgraphunit.c:1155)
==28129==    by 0x46708C: gfc_be_parse_file (f95-lang.c:307)


-- 

burnus at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rakdver at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32077

[Bug middle-end/32077] [Regression 4.3] Profile-use: ICE: Segmentation fault

[burnus at gcc dot gnu dot org]

------- Comment #2 from burnus at gcc dot gnu dot org  2007-06-11 06:04 -------
Seems to be fixed since 2007-06-07. -> Close PR.


-- 

burnus at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32077