https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100568
Bug ID: 100568
Summary: [12 regression] ICE at gcc/tree-ssa.c:1214 after
r12-657
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:a076632e274abe344ca7648b7c7f299273d4cbe0, r12-657
Occurs when building libgo on powerpc64.
libtool: compile: /home/seurer/gcc/git/build/gcc-test/./gcc/gccgo
-B/home/seurer/gcc/git/build/gcc-test/./gcc/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64-unknown-linux-gnu/bin/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64-unknown-linux-gnu/lib/
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64-unknown-linux-gnu/include
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64-unknown-linux-gnu/sys-include
-O2 -g -I . -c -fgo-pkgpath=syscall
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/dirent.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/endian_big.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/env_unix.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/errstr_glibc.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/exec_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/exec_unix.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_glibc.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_linux_utimesnano.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_posix.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_posix_largefile.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_posix_nonhurd.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_support.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_uname.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/libcall_wait4.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/lsf_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/msan0.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/net.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/netlink_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/setuidgid_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/sleep_select.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/sock_cloexec_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/sockcmsg_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/sockcmsg_unix.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/sockcmsg_unix_other.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/socket.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/socket_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/socket_linux_ppc64x_type.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/socket_posix.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/str.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/syscall.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/syscall_errno.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/syscall_funcs.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/syscall_glibc.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/syscall_linux.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/syscall_unix.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/time_nofake.go
/home/seurer/gcc/git/gcc-test/libgo/go/syscall/timestruct.go libcalls.go
sysinfo.go syscall_arch.go syscall_linknames.go epoll.go -fPIC -o
.libs/syscall.o
In function 'syscall.forkExec':
go1: error: address taken, but ADDRESSABLE bit not set
PHI argument
&go..C479;
for PHI node
err$__object_77 = PHI <err$__object_76(62), &go..C479(63)>
during GIMPLE pass: fre
go1: internal compiler error: verify_ssa failed
0x10eb5a33 verify_ssa(bool, bool)
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa.c:1214
0x10a4163f execute_function_todo
/home/seurer/gcc/git/gcc-test/gcc/passes.c:2049
0x10a4287b do_per_function
/home/seurer/gcc/git/gcc-test/gcc/passes.c:1687
0x10a42a93 execute_todo
/home/seurer/gcc/git/gcc-test/gcc/passes.c:2096
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[4]: *** [syscall.lo] Error 1
make[4]: Leaving directory
`/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/libgo'
commit a076632e274abe344ca7648b7c7f299273d4cbe0
Author: Richard Biener <rguent...@suse.de>
Date: Fri May 7 09:51:18 2021 +0200
middle-end/100464 - avoid spurious TREE_ADDRESSABLE in folding debug stmts
