https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104518
Bug ID: 104518
Summary: ICE: verify_gimple failed: missing 'PHI' def with
-fsanitize=address -fnon-call-exceptions
-fsignaling-nans -fharden-compares
-fstack-check=generic
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
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 52431
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52431&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -fsanitize=address -fnon-call-exceptions
-fsignaling-nans -fharden-compares -fstack-check=generic testcase.c
testcase.c: In function 'foo':
testcase.c:7:1: error: missing 'PHI' def
7 | foo (void)
| ^~~
last_alloca_addr.5_54 = PHI <last_alloca_addr.5_55(2),
last_alloca_addr.5_58(13), (14)>
during GIMPLE pass: hardcmp
testcase.c:7:1: internal compiler error: verify_gimple failed
0x13e400a verify_gimple_in_cfg(function*, bool)
/repo/gcc-trunk/gcc/tree-cfg.cc:5561
0x128a437 execute_function_todo
/repo/gcc-trunk/gcc/passes.cc:2084
0x128a9db execute_todo
/repo/gcc-trunk/gcc/passes.cc:2138
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-r12-7214-20220212191744-gf0c7367b880-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.1/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-r12-7214-20220212191744-gf0c7367b880-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.1 20220212 (experimental) (GCC)
