https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113092
Bug ID: 113092
Summary: SanitizerTool: CHECK failed: ubsan_value.cpp:69
"((getType().isSignedIntegerTy())) != (0)" (0x0, 0x0)
with _BitInt()
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at
gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 56909
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56909&action=edit
reduced testcase
Using UBsan with _BitInt() fails at runtime:
$ x86_64-pc-linux-gnu-gcc -fsanitize=undefined testcase.c
$ ./a.out
SanitizerTool: CHECK failed: ubsan_value.cpp:69
"((getType().isSignedIntegerTy())) != (0)" (0x0, 0x0) (tid=9442)
$ 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-r14-6742-20231220113252-gbe9e8de6284-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.0/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 --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r14-6742-20231220113252-gbe9e8de6284-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231220 (experimental) (GCC)
