[Bug tree-optimization/32461] [4.3 Regression] Segmentation fault in build_classic_dist_vector_1() at tree-data-ref.c:2700

[ebotcazou at libertysurf dot fr]

------- Comment #16 from ebotcazou at libertysurf dot fr  2007-06-24 10:26 -------
Subject: Re:  [4.3 Regression] Segmentation fault in
build_classic_dist_vector_1() at tree-data-ref.c:2700

> and at that point we have:
>
> (gdb) call debug_tree (arg0)
>  <bit_not_expr 0xb7cd67c0
>     type <integer_type 0xb7c2c000 unsigned int public unsigned sizetype SI
>         size <integer_cst 0xb7c1d658 constant invariant 32>
>         unit size <integer_cst 0xb7c1d444 constant invariant 4>
>         align 32 symtab 0 alias set -1 canonical type 0xb7c320d8
> precision 32 min <integer_cst 0xb7c1d674 0> max <integer_cst
> 0xb7c1dc08 -1>>
>
>     arg 0 <nop_expr 0xb7cd65a0 type <integer_type 0xb7c2c000 unsigned int>
>
>         arg 0 <ssa_name 0xb7cd230c type <integer_type 0xb7c2c2f4 int>
>             volatile visited var <var_decl 0xb7cce000 i> def_stmt
> <nop_expr 0xb7cc5940>
>             version 4>>>
> (gdb) call debug_tree (arg1)
>  <ssa_name 0xb7cd230c
>     type <integer_type 0xb7c2c2f4 int sizes-gimplified public SI
>         size <integer_cst 0xb7c1d658 constant invariant 32>
>         unit size <integer_cst 0xb7c1d444 constant invariant 4>
>         align 32 symtab 0 alias set 2 canonical type 0xb7c2c2f4
> precision 32 min <integer_cst 0xb7c1d604 -2147483648> max <integer_cst
> 0xb7c1d620 2147483647>
>         pointer_to_this <pointer_type 0xb7c32798>>
>     volatile visited var <var_decl 0xb7cce000 i> def_stmt <nop_expr
> 0xb7cc5940> version 4>

Why are the operands of different type at that point?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32461