[Bug tree-optimization/17883] New: segfault on hashtab insert in scalar evolution

[echristo at redhat dot com]

backtrace

#0  htab_find_slot_with_hash (htab=0x841d708, element=0xfe400058, hash=114,
    insert=INSERT) at /dzur/sourceware/combined/libiberty/hashtab.c:278
#1  0x082d07ef in htab_find_slot (htab=0x841d708, element=0xfe400058,
    insert=INSERT) at /dzur/sourceware/combined/libiberty/hashtab.c:707
#2  0x0825945b in find_var_scev_info (var=0xf6cd99b0)
    at /dzur/sourceware/combined/gcc/tree-scalar-evolution.c:344
#3  0x08259abe in get_scalar_evolution (scalar=0xf6cd99b0)
    at /dzur/sourceware/combined/gcc/tree-scalar-evolution.c:654
#4  0x0825ae4e in analyze_scalar_evolution (loop=0x840e000, var=0xf6cd99b0)
    at /dzur/sourceware/combined/gcc/tree-scalar-evolution.c:1913
#5  0x0825aa70 in interpret_condition_phi (loop=0x840e000,
    condition_phi=0xf6cd8e80) at tree-flow-inline.h:297
#6  0x0825ade5 in analyze_scalar_evolution_1 (loop=0x840e000, var=0xf6cd9a00,
    res=0x0) at /dzur/sourceware/combined/gcc/tree-scalar-evolution.c:1863
#7  0x0825ae59 in analyze_scalar_evolution (loop=0x840e000, var=0xf6cd9a00)
    at /dzur/sourceware/combined/gcc/tree-scalar-evolution.c:1913
#8  0x0825aa70 in interpret_condition_phi (loop=0x840e000,
    condition_phi=0xf6cb6c1c) at tree-flow-inline.h:297

-- 
           Summary: segfault on hashtab insert in scalar evolution
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: echristo at redhat dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux
  GCC host triplet: i686-pc-linux
GCC target triplet: mipsisa64-unknown-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17883