[Bug tree-optimization/34989] [4.3 Regression] ICE in in get_addr_dereference_operands, at tree-ssa-operands.c:1698 with IMA

[pinskia at gcc dot gnu dot org]

------- Comment #8 from pinskia at gcc dot gnu dot org  2008-01-27 18:16 -------
(gdb) p debug_generic_expr (stmt)
*(struct globals * *) &ptr_to_globals = 0B

Well that is obviously not valid gimple.

tree-ssa-forwprop.c is causing it:
#10 0x00550bff in mark_symbols_for_renaming (stmt=0x43497060) at
/Users/apinski/src/local/gcc/gcc/tree-dfa.c:827
#11 0x00646f45 in tidy_after_forward_propagate_addr (stmt=0x43497060) at
/Users/apinski/src/local/gcc/gcc/tree-ssa-forwprop.c:468
#12 0x00648069 in forward_propagate_addr_expr_1 (name=0x4348dfc0,
def_rhs=0x43497000, use_stmt=0x43497060, single_use_p=1 '\001') at
/Users/apinski/src/local/gcc/gcc/tree-ssa-forwprop.c:566
#13 0x006495b2 in forward_propagate_addr_expr (name=0x4348dfc0, rhs=0x43497000)
at /Users/apinski/src/local/gcc/gcc/tree-ssa-forwprop.c:709
#14 0x0064dce6 in tree_ssa_forward_propagate_single_use_vars () at
/Users/apinski/src/local/gcc/gcc/tree-ssa-forwprop.c:971


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rguenth at gcc dot gnu dot
                   |                            |org
          Component|middle-end                  |tree-optimization


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34989