https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116905
Bug ID: 116905
Summary: [15 Regression] ICE: tree check: expected none of
vector_type, have vector_type in set_varying, at
value-range.h:1140 with -mavx -frounding-math and
_Float16
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
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 59237
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59237&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -mavx -frounding-math testcase.c
during GIMPLE pass: veclower
testcase.c: In function 'foo':
testcase.c:6:1: internal compiler error: tree check: expected none of
vector_type, have vector_type in set_varying, at value-range.h:1140
6 | foo()
| ^~~
0x2c44e6e internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:517
0x8c640c tree_not_check_failed(tree_node const*, char const*, int, char const*,
...)
/repo/gcc-trunk/gcc/tree.cc:9040
0xf2ec1f tree_not_check(tree_node*, char const*, int, char const*, tree_code)
/repo/gcc-trunk/gcc/tree.h:3642
0xf2ec1f irange::set_varying(tree_node*)
/repo/gcc-trunk/gcc/value-range.h:1140
0x2b8b817 vect_get_range_info(tree_node*, generic_wide_int<wide_int_storage>*,
generic_wide_int<wide_int_storage>*)
/repo/gcc-trunk/gcc/tree-vect-patterns.cc:76
0x1858f49 supportable_indirect_convert_operation(code_helper, tree_node*,
tree_node*, vec<std::pair<tree_node*, tree_code>, va_heap, vl_ptr>*,
tree_node*)
/repo/gcc-trunk/gcc/tree-vect-stmts.cc:14795
0x184b01f expand_vector_conversion
/repo/gcc-trunk/gcc/tree-vect-generic.cc:1877
0x184b01f expand_vector_operations_1
/repo/gcc-trunk/gcc/tree-vect-generic.cc:2123
0x184b01f expand_vector_operations
/repo/gcc-trunk/gcc/tree-vect-generic.cc:2400
0x184b01f execute
/repo/gcc-trunk/gcc/tree-vect-generic.cc:2454
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-r15-3954-20240930084205-g3f8b1b21f37-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-r15-3954-20240930084205-g3f8b1b21f37-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20240930 (experimental) (GCC)
