https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108774
Bug ID: 108774
Summary: [13 Regression] ICE: in get_equiv, at
lra-constraints.cc:534 with -Os -ftrapv -mcmodel=large
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 54455
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54455&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Os -ftrapv -mcmodel=large testcase.c
during RTL pass: reload
testcase.c: In function 'foo':
testcase.c:7:1: internal compiler error: in get_equiv, at
lra-constraints.cc:534
7 | }
| ^
0x7405ab get_equiv
/repo/gcc-trunk/gcc/lra-constraints.cc:534
0x1206c92 lra_constraints(bool)
/repo/gcc-trunk/gcc/lra-constraints.cc:5052
0x11f12c4 lra(_IO_FILE*)
/repo/gcc-trunk/gcc/lra.cc:2375
0x11a1459 do_reload
/repo/gcc-trunk/gcc/ira.cc:5960
0x11a1459 execute
/repo/gcc-trunk/gcc/ira.cc:6146
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-r13-5964-20230213153338-g452db716d8d-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.1/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-r13-5964-20230213153338-g452db716d8d-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.1 20230213 (experimental) (GCC)
