https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101530
Bug ID: 101530
Summary: ICE: 'verify_gimple' failed: non-top-level
'bit_field_ref' with __builtin_shufflevector()[0]
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 51178
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51178&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc testcase.c
testcase.c: In function 'foo':
testcase.c:4:1: error: non-top-level 'bit_field_ref'
4 | foo(V v, int i)
| ^~~
_2 = VIEW_CONVERT_EXPR<int>(BIT_FIELD_REF <_1, 32, 0>);
testcase.c:4:1: internal compiler error: 'verify_gimple' failed
0x10e0a2d verify_gimple_in_seq(gimple*)
/repo/gcc-trunk/gcc/tree-cfg.c:5188
0xdd0b46 gimplify_body(tree_node*, bool)
/repo/gcc-trunk/gcc/gimplify.c:15526
0xdd0ccd gimplify_function_tree(tree_node*)
/repo/gcc-trunk/gcc/gimplify.c:15597
0xbfa847 cgraph_node::analyze()
/repo/gcc-trunk/gcc/cgraphunit.c:670
0xbfd327 analyze_functions
/repo/gcc-trunk/gcc/cgraphunit.c:1234
0xbfdfcd symbol_table::finalize_compilation_unit()
/repo/gcc-trunk/gcc/cgraphunit.c:2508
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.
$ 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-r12-2398-20210719103439-gf007a638a86-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/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
--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 --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-2398-20210719103439-gf007a638a86-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20210719 (experimental) (GCC)
