https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118006
Bug ID: 118006
Summary: ICE when building rr-5.8.0 with -fstrub=all (RTL
check: expected elt 2 type 'B', have '0' (rtx barrier)
in BLOCK_FOR_INSN, at rtl.h:1499)
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-checking
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
CC: aoliva at gcc dot gnu.org
Target Milestone: ---
```
$ gcc ./CMakeFiles/rrpreload_32.dir/32/preload/syscallbuf.c.i -m32 -c
-fstrub=all -O2
during RTL pass: expand
/var/tmp/portage/dev-util/rr-5.8.0/work/rr-5.8.0_build/32/preload/syscallbuf.c:
In function ‘privileged_traced_raise.constprop’:
/var/tmp/portage/dev-util/rr-5.8.0/work/rr-5.8.0_build/32/preload/syscallbuf.c:428:1:
internal compiler error: RTL check: expected elt 2 type 'B', have '0' (rtx
barrier) in BLOCK_FOR_INSN, at rtl.h:1499
428 | }
| ^
0x55a58173d1c6 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x55a58163a3e8 internal_error(char const*, ...)
???:0
0x55a580e1ef84 rtl_check_failed_type1(rtx_def const*, int, int, char const*,
int, char const*)
???:0
0x55a58192a001 verify_flow_info()
???:0
0x55a581b53d5b cleanup_cfg(int)
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
```
---
```
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/15/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/15
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/15/python
--enable-objc-gc --enable-languages=c,c++,d,go,objc,obj-c++,fortran,ada,m2,rust
--enable-obsolete --enable-secureplt --disable-werror --with-system-zlib
--enable-nls --without-included-gettext --disable-libunwind-exceptions
--enable-checking=yes,extra,rtl --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo 15.0.9999 p, commit
bab06f8fff99acedad7703b604dd781a0f5554a0' --with-gcc-major-version-only
--enable-libstdcxx-time --enable-lto --disable-libstdcxx-pch --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--enable-multilib --with-multilib-list=m32,m64 --disable-fixed-point
--enable-targets=all --enable-offload-defaulted
--enable-offload-targets=nvptx-none --enable-libgomp --disable-libssp
--enable-libada --enable-cet --disable-systemtap --disable-valgrind-annotations
--disable-vtable-verify --disable-libvtv --with-zstd --without-isl
--enable-default-pie --enable-host-pie --enable-host-bind-now
--enable-default-ssp --disable-fixincludes --with-build-config='bootstrap-lto
bootstrap-cet'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241211 (experimental)
e5569a20cf3791553ac324269001a7c7c0e56242 (Gentoo 15.0.9999 p, commit
bab06f8fff99acedad7703b604dd781a0f5554a0)
```
