https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63349
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-checking,
| |ice-on-valid-code
Target Milestone|4.8.4 |---
Known to fail| |4.2.4, 4.4.7
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Also happens with 4.2.x, so indeed pretty old bug. Triggers with checking
only.
#3 0x000000000113556e in get_narrower (op=<component_ref 0x7ffff67d58d0>,
unsignedp_ptr=0x7fffffffc3e0)
at /space/rguenther/src/svn/trunk/gcc/tree.c:8532
8532 && DECL_SIZE (TREE_OPERAND (op, 1)) != 0
(gdb) p debug_tree (op)
<component_ref 0x7ffff67d58d0
type <integer_type 0x7ffff66c8690 int public type_6 SI
size <integer_cst 0x7ffff66e5030 constant 32>
unit size <integer_cst 0x7ffff66e5048 constant 4>
align 32 symtab 0 alias set -1 canonical type 0x7ffff66c8690 precision
32 min <integer_cst 0x7ffff66c4fd8 -2147483648> max <integer_cst 0x7ffff66e5000
2147483647>
pointer_to_this <pointer_type 0x7ffff66e9738>>
arg 0 <var_decl 0x7ffff66d1c60 b
type <record_type 0x7ffff6821f18 timeval type_5 type_6 SI size
<integer_cst 0x7ffff66e5030 32> unit size <integer_cst 0x7ffff66e5048 4>
align 32 symtab 0 alias set -1 canonical type 0x7ffff6821f18 fields
<field_decl 0x7ffff68224c0 tv_sec> context <translation_unit_decl
0x7ffff7ff81e0 D.1>
full-name "struct timeval"
X() X(constX&) this=(X&) n_parents=0 use_template=0
interface-unknown
chain <type_decl 0x7ffff6822390 timeval>>
used decl_5 SI file /tmp/t.C line 9 col 24 size <integer_cst
0x7ffff66e5030 32> unit size <integer_cst 0x7ffff66e5048 4>
align 32 context <function_decl 0x7ffff6825a20 test>
chain <var_decl 0x7ffff66d1bd0 a type <record_type 0x7ffff6821f18
timeval>
used decl_5 SI file /tmp/t.C line 9 col 21 size <integer_cst
0x7ffff66e5030 32> unit size <integer_cst 0x7ffff66e5048 4>
align 32 context <function_decl 0x7ffff6825a20 test>>>
arg 1 <identifier_node 0x7ffff6831108 tv_sec
bindings <(nil)>
local bindings <(nil)>>>
$2 = void
