https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117492
Bug ID: 117492
Summary: ICE: in decompose, at wide-int.h:1049 with
__builtin_stdc_rotate_left/right()
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 59562
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59562&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc testcase.c
testcase.c: In function 'foo':
testcase.c:7:63: internal compiler error: in decompose, at wide-int.h:1049
7 |
0x100000001), 1);
|
^~~~~~~~~~~
0x2cb743e internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:518
0xe85127 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostic.cc:1696
0x79db46 wi::int_traits<generic_wide_int<wide_int_ref_storage<false, false> >
>::decompose(long*, unsigned int, generic_wide_int<wide_int_ref_storage<false,
false> > const&)
/repo/gcc-trunk/gcc/wide-int.h:1049
0x11daa6d wi::int_traits<generic_wide_int<wide_int_ref_storage<false, false> >
>::decompose(long*, unsigned int, generic_wide_int<wide_int_ref_storage<false,
false> > const&)
/repo/gcc-trunk/gcc/wide-int.h:1049
0x11daa6d wide_int_ref_storage<false,
false>::wide_int_ref_storage<generic_wide_int<wide_int_ref_storage<false,
false> > >(generic_wide_int<wide_int_ref_storage<false, false> > const&,
unsigned int)
/repo/gcc-trunk/gcc/wide-int.h:1099
0x11daa6d generic_wide_int<wide_int_ref_storage<false, false>
>::generic_wide_int<generic_wide_int<wide_int_ref_storage<false, false> >
>(generic_wide_int<wide_int_ref_storage<false, false> > const&, unsigned int)
/repo/gcc-trunk/gcc/wide-int.h:855
0x11daa6d wi::binary_traits<generic_wide_int<wide_int_ref_storage<false, false>
>, generic_wide_int<wide_int_ref_storage<false, false> >,
wi::int_traits<generic_wide_int<wide_int_ref_storage<false, false> >
>::precision_type, wi::int_traits<generic_wide_int<wide_int_ref_storage<false,
false> > >::precision_type>::result_type
wi::add<generic_wide_int<wide_int_ref_storage<false, false> >,
generic_wide_int<wide_int_ref_storage<false, false> >
>(generic_wide_int<wide_int_ref_storage<false, false> > const&,
generic_wide_int<wide_int_ref_storage<false, false> > const&)
/repo/gcc-trunk/gcc/wide-int.h:2871
0x11ba7f6 wi::binary_traits<generic_wide_int<wide_int_ref_storage<false, false>
>, generic_wide_int<wide_int_ref_storage<false, false> >,
wi::int_traits<generic_wide_int<wide_int_ref_storage<false, false> >
>::precision_type, wi::int_traits<generic_wide_int<wide_int_ref_storage<false,
false> > >::precision_type>::operator_result
operator+<generic_wide_int<wide_int_ref_storage<false, false> >,
generic_wide_int<wide_int_ref_storage<false, false> >
>(generic_wide_int<wide_int_ref_storage<false, false> > const&,
generic_wide_int<wide_int_ref_storage<false, false> > const&)
/repo/gcc-trunk/gcc/wide-int.h:3857
0x11ba7f6 fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/repo/gcc-trunk/gcc/fold-const.cc:12539
0x11bd00a fold_build2_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/repo/gcc-trunk/gcc/fold-const.cc:14365
0x2048066 generic_simplify_LROTATE_EXPR(unsigned int, tree_code, tree_node*,
tree_node*, tree_node*)
/repo/build-gcc-trunk-amd64/gcc/generic-match-10.cc:10496
0x11b527c fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/repo/gcc-trunk/gcc/fold-const.cc:11437
0x11bd00a fold_build2_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/repo/gcc-trunk/gcc/fold-const.cc:14365
0xf35a00 c_fully_fold_internal
/repo/gcc-trunk/gcc/c/c-fold.cc:376
0xf36769 c_fully_fold(tree_node*, bool, bool*, bool)
/repo/gcc-trunk/gcc/c/c-fold.cc:127
0xec261c c_process_expr_stmt(unsigned int, tree_node*)
/repo/gcc-trunk/gcc/c/c-typeck.cc:12771
0xec28bd c_finish_expr_stmt(unsigned int, tree_node*)
/repo/gcc-trunk/gcc/c/c-typeck.cc:12816
0xf28db7 c_parser_statement_after_labels
/repo/gcc-trunk/gcc/c/c-parser.cc:8042
0xefc211 c_parser_compound_statement_nostart
/repo/gcc-trunk/gcc/c/c-parser.cc:7495
0xf25524 c_parser_compound_statement
/repo/gcc-trunk/gcc/c/c-parser.cc:6719
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r15-5029-20241107203450f536d54b-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --enable-libsanitizer
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r15-5029-20241107203450f536d54b-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241107 (experimental) (GCC)
