https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112809
Bug ID: 112809
Summary: during GIMPLE pass: bitintlower ICE: in
limb_access_type, at gimple-lower-bitint.cc:563 at -O1
and above
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 56752
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56752&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O testcase.c
during GIMPLE pass: bitintlower
testcase.c: In function 'foo':
testcase.c:6:1: internal compiler error: in limb_access_type, at
gimple-lower-bitint.cc:563
6 | foo (void)
| ^~~
0xd520e1 limb_access_type
/repo/gcc-trunk/gcc/gimple-lower-bitint.cc:563
0x2535e97 limb_access_type
/repo/gcc-trunk/gcc/gimple-lower-bitint.cc:559
0x2535e97 limb_access
/repo/gcc-trunk/gcc/gimple-lower-bitint.cc:578
0x2546609 lower_mergeable_stmt
/repo/gcc-trunk/gcc/gimple-lower-bitint.cc:2693
0x254af8d lower_stmt
/repo/gcc-trunk/gcc/gimple-lower-bitint.cc:5265
0x254d626 gimple_lower_bitint
/repo/gcc-trunk/gcc/gimple-lower-bitint.cc:6394
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-r14-6051-20231201105652-gb1fe98dee21-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-r14-6051-20231201105652-gb1fe98dee21-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231201 (experimental) (GCC)
