https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113406
Bug ID: 113406
Summary: ICE: tree check: expected class 'type', have
'exceptional' (error_mark) in
useless_type_conversion_p, at gimple-expr.cc:85 with
-fstrub=internal and _BitInt()
Product: gcc
Version: 14.0
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
CC: jakub at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 57092
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57092&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -fstrub=internal testcase.c
during GIMPLE pass: bitintlower0
testcase.c: In function 'foo':
testcase.c:2:1: internal compiler error: tree check: expected class 'type',
have 'exceptional' (error_mark) in useless_type_conversion_p, at
gimple-expr.cc:85
2 | foo(void)
| ^~~
0x89127d tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
/repo/gcc-trunk/gcc/tree.cc:9002
0x77c702 tree_class_check(tree_node*, tree_code_class, char const*, int, char
const*)
/repo/gcc-trunk/gcc/tree.h:3767
0x77c702 useless_type_conversion_p(tree_node*, tree_node*)
/repo/gcc-trunk/gcc/gimple-expr.cc:85
0x15540a4 verify_gimple_return
/repo/gcc-trunk/gcc/tree-cfg.cc:4888
0x15540a4 verify_gimple_stmt
/repo/gcc-trunk/gcc/tree-cfg.cc:5125
0x1558311 verify_gimple_in_cfg(function*, bool, bool)
/repo/gcc-trunk/gcc/tree-cfg.cc:5602
0x13c83d4 execute_function_todo
/repo/gcc-trunk/gcc/passes.cc:2088
0x13c892e execute_todo
/repo/gcc-trunk/gcc/passes.cc:2142
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-r14-7255-20240115165927-g6c703b4eb68-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/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 --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r14-7255-20240115165927-g6c703b4eb68-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.1 20240115 (experimental) (GCC)
