https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98578
Bug ID: 98578
Summary: [11 Regression] ICE in print_mem_ref since
r11-6508-gabb1b6058c09a7c0
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: msebor at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ cat vla.c
int test3_size, test3_arr_2;
void test3() {
int vla_arr[test3_size];
test3_arr_2 = vla_arr[1];
}
$ gcc vla.c -Wuninitialized -c
‘
during GIMPLE pass: *early_warn_uninitialized
In function ‘test3’:
tree check: expected integer_cst, have var_decl in get_len, at tree.h:6024
6 | }
| ^
0x75c603 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
/home/marxin/Programming/gcc/gcc/tree.c:9810
0x646097 tree_check(tree_node const*, char const*, int, char const*, tree_code)
/home/marxin/Programming/gcc/gcc/tree.h:3594
0x646097 wi::extended_tree<128>::get_len() const
/home/marxin/Programming/gcc/gcc/tree.h:6024
0x646097 wi::int_traits<generic_wide_int<wi::extended_tree<128> >
>::decompose(long*, unsigned int, generic_wide_int<wi::extended_tree<128> >
const&)
/home/marxin/Programming/gcc/gcc/wide-int.h:985
0x646097 wide_int_ref_storage<true,
false>::wide_int_ref_storage<generic_wide_int<wi::extended_tree<128> >
>(generic_wide_int<wi::extended_tree<128> > const&, unsigned int)
/home/marxin/Programming/gcc/gcc/wide-int.h:1034
0x646097 generic_wide_int<wide_int_ref_storage<true, false>
>::generic_wide_int<generic_wide_int<wi::extended_tree<128> >
>(generic_wide_int<wi::extended_tree<128> > const&, unsigned int)
/home/marxin/Programming/gcc/gcc/wide-int.h:790
0x646097
fixed_wide_int_storage<128>::fixed_wide_int_storage<generic_wide_int<wi::extended_tree<128>
> >(generic_wide_int<wi::extended_tree<128> > const&)
/home/marxin/Programming/gcc/gcc/wide-int.h:1262
0x646097 generic_wide_int<fixed_wide_int_storage<128>
>::generic_wide_int<generic_wide_int<wi::extended_tree<128> >
>(generic_wide_int<wi::extended_tree<128> > const&)
/home/marxin/Programming/gcc/gcc/wide-int.h:782
0x646097 print_mem_ref
/home/marxin/Programming/gcc/gcc/c-family/c-pretty-print.c:1857
0x902fbe c_pretty_printer::postfix_expression(tree_node*)
/home/marxin/Programming/gcc/gcc/c-family/c-pretty-print.c:1587
0x868ecd c_tree_printer
/home/marxin/Programming/gcc/gcc/c/c-objc-common.c:317
0x868ecd c_tree_printer
/home/marxin/Programming/gcc/gcc/c/c-objc-common.c:254
0x197808c pp_format(pretty_printer*, text_info*)
/home/marxin/Programming/gcc/gcc/pretty-print.c:1475
0x195bee6 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
/home/marxin/Programming/gcc/gcc/diagnostic.c:1216
0x195e448 diagnostic_impl
/home/marxin/Programming/gcc/gcc/diagnostic.c:1366
0x195e448 warning_at(unsigned int, int, char const*, ...)
/home/marxin/Programming/gcc/gcc/diagnostic.c:1503
0x1021ca6 maybe_warn_operand
/home/marxin/Programming/gcc/gcc/tree-ssa-uninit.c:418
0x10250cf warn_uninitialized_vars
/home/marxin/Programming/gcc/gcc/tree-ssa-uninit.c:657
0x1025370 execute_early_warn_uninitialized
/home/marxin/Programming/gcc/gcc/tree-ssa-uninit.c:3089
0x1025370 execute
/home/marxin/Programming/gcc/gcc/tree-ssa-uninit.c:3124
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
