https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113410
Bug ID: 113410
Summary: ICE: in maybe_check_access_sizes, at
gimple-ssa-warn-access.cc:3423 with _BitInt() used as
array length
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 57096
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57096&action=edit
reduced testcase
This is reduced from gcc.dg/builtin-dynamic-object-size-20.c, when testsuite is
run with -Dint=_BitInt($RANDOM)
Compiler output:
$ x86_64-pc-linux-gnu-gcc testcase.c
during GIMPLE pass: waccess
testcase.c: In function 'foo':
testcase.c:4:1: internal compiler error: in maybe_check_access_sizes, at
gimple-ssa-warn-access.cc:3423
4 | foo (int n)
| ^~~
0x783992 maybe_check_access_sizes
/repo/gcc-trunk/gcc/gimple-ssa-warn-access.cc:3423
0x1186c57 check_call_access
/repo/gcc-trunk/gcc/gimple-ssa-warn-access.cc:3644
0x1186c57 check_call
/repo/gcc-trunk/gcc/gimple-ssa-warn-access.cc:4351
0x1186c57 check_block
/repo/gcc-trunk/gcc/gimple-ssa-warn-access.cc:4434
0x1186c57 execute
/repo/gcc-trunk/gcc/gimple-ssa-warn-access.cc:4769
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)
