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[Bug target/69804] [5/6] ICE with -fsanitize=undefined -fcheck-pointer-bounds -mmpx
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 15 Feb 2016 12:30:21 +0000
- Subject: [Bug target/69804] [5/6] ICE with -fsanitize=undefined -fcheck-pointer-bounds -mmpx
- Auto-submitted: auto-generated
- References: <bug-69804-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69804
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-02-15
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.
#1 0x0000000000f4335f in chkp_walk_pointer_assignments (lhs=
<var_decl 0x7ffff69e3360 *.Lubsan_data0>,
rhs=<constructor 0x7ffff69e4a68>, arg=0x7fffffffdc60,
handler=0xf3abfd <chkp_add_modification_to_stmt_list(tree, tree, void*)>)
at /space/rguenther/src/svn/trunk3/gcc/tree-chkp.c:3725
3725 if (chkp_type_has_pointer (TREE_TYPE (field)))
(gdb) l
3720 unsigned HOST_WIDE_INT cnt;
3721 tree val;
3722
3723 FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (rhs), cnt, field,
val)
3724 {
3725 if (chkp_type_has_pointer (TREE_TYPE (field)))
3726 {
3727 tree lhs_field = chkp_build_component_ref (lhs,
field);
3728 chkp_walk_pointer_assignments (lhs_field, val, arg,
handler);
3729 }
(gdb) p field
$1 = <tree 0x0>
val <addr_expr 0x7ffff69c5fe0
type <pointer_type 0x7ffff69e2888 type <record_type 0x7ffff69e2690
__ubsan_type_descriptor>
unsigned DI
size <integer_cst 0x7ffff688bca8 constant 64>
unit size <integer_cst 0x7ffff688bcc0 constant 8>
align 64 symtab 0 alias set 8 canonical type 0x7ffff69e2888>
constant
arg 0 <var_decl 0x7ffff69e32d0 *.Lubsan_type0 type <record_type
0x7ffff69e2690 __ubsan_type_descriptor>
addressable asm_written used static ignored BLK file (null) line 0
col 0
size <integer_cst 0x7ffff69e4918 constant 80>
unit size <integer_cst 0x7ffff69e4930 constant 10>
align 16 initial <constructor 0x7ffff69e4948>
(mem/c:BLK (symbol_ref:DI ("*.Lubsan_type0") [flags 0x2] <var_decl
0x7ffff69e32d0 *.Lubsan_type0>) [2 *.Lubsan_type0+0 S10 A16])>>
I think that's somewhat against GENERIC rules.