[Bug libgcc/103004] New: [12 regression] breaks lots on powerpc BE

seurer at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sat Oct 30 16:39:01 GMT 2021


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103004

            Bug ID: 103004
           Summary: [12 regression] breaks lots on powerpc BE
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgcc
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

commit b7561b5d2443f1d5f54f5177f0fb1a13c4205856
Author: Raphael Moreira Zinsly <rzinsly@linux.ibm.com>
Date:   Tue Oct 5 15:32:52 2021 -0300

    libgcc: Add a backchain fallback to _Unwind_Backtrace() on PowerPC


It looks like this change broke most if not all the asan tests on powerpc64 BE,
a bunch of the go tests, and several more.

These are from a run on a powerpc64 BE power 8 machine:

previous run: g:b47490c572c5938f887b54240af6096a7c90f640, r12-4415
this run    : g:b7561b5d2443f1d5f54f5177f0fb1a13c4205856, r12-4416

New failures:

FAIL: archive/tar
FAIL: archive/zip
FAIL: bufio
FAIL: bytes
FAIL: c-c++-common/asan/alloca_big_alignment.c   -O0  output pattern test
FAIL: c-c++-common/asan/alloca_big_alignment.c   -O1  output pattern test
FAIL: c-c++-common/asan/alloca_big_alignment.c   -O2  output pattern test
FAIL: c-c++-common/asan/alloca_big_alignment.c   -O2 -flto
-fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/alloca_big_alignment.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/alloca_big_alignment.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/alloca_big_alignment.c   -Os  output pattern test
FAIL: c-c++-common/asan/alloca_detect_custom_size.c   -O0  output pattern test
FAIL: c-c++-common/asan/alloca_detect_custom_size.c   -O1  output pattern test
FAIL: c-c++-common/asan/alloca_detect_custom_size.c   -O2  output pattern test
FAIL: c-c++-common/asan/alloca_detect_custom_size.c   -O2 -flto
-fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/alloca_detect_custom_size.c   -O2 -flto
-fuse-linker-plugin -fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/alloca_detect_custom_size.c   -O3 -g  output pattern
test
FAIL: c-c++-common/asan/alloca_detect_custom_size.c   -Os  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_partial.c   -O0  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_partial.c   -O1  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_partial.c   -O2  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_partial.c   -O2 -flto
-fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_partial.c   -O2 -flto
-fuse-linker-plugin -fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_partial.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_partial.c   -Os  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_right.c   -O0  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_right.c   -O1  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_right.c   -O2  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_right.c   -O2 -flto
-fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_right.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_right.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/alloca_overflow_right.c   -Os  output pattern test
FAIL: c-c++-common/asan/alloca_underflow_left.c   -O0  output pattern test
FAIL: c-c++-common/asan/alloca_underflow_left.c   -O1  output pattern test
FAIL: c-c++-common/asan/alloca_underflow_left.c   -O2  output pattern test
FAIL: c-c++-common/asan/alloca_underflow_left.c   -O2 -flto
-fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/alloca_underflow_left.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/alloca_underflow_left.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/alloca_underflow_left.c   -Os  output pattern test
FAIL: c-c++-common/asan/global-overflow-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/global-overflow-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/global-overflow-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/global-overflow-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/global-overflow-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/global-overflow-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/global-overflow-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/halt_on_error-1.c   -O0  execution test
FAIL: c-c++-common/asan/halt_on_error-1.c   -O1  execution test
FAIL: c-c++-common/asan/halt_on_error-1.c   -O2  execution test
FAIL: c-c++-common/asan/halt_on_error-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  execution test
FAIL: c-c++-common/asan/halt_on_error-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  execution test
FAIL: c-c++-common/asan/halt_on_error-1.c   -O3 -g  execution test
FAIL: c-c++-common/asan/halt_on_error-1.c   -Os  execution test
FAIL: c-c++-common/asan/heap-overflow-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/heap-overflow-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/heap-overflow-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/heap-overflow-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/heap-overflow-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/heap-overflow-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/heap-overflow-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/memcmp-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/memcmp-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/memcmp-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/memcmp-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/memcmp-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/memcmp-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/memcmp-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/null-deref-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/null-deref-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/null-deref-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/null-deref-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/null-deref-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/null-deref-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/null-deref-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/pointer-compare-1.c   -O0  execution test
FAIL: c-c++-common/asan/pointer-compare-1.c   -O1  execution test
FAIL: c-c++-common/asan/pointer-compare-1.c   -O2  execution test
FAIL: c-c++-common/asan/pointer-compare-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  execution test
FAIL: c-c++-common/asan/pointer-compare-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  execution test
FAIL: c-c++-common/asan/pointer-compare-1.c   -O3 -g  execution test
FAIL: c-c++-common/asan/pointer-compare-1.c   -Os  execution test
FAIL: c-c++-common/asan/pointer-subtract-1.c   -O0  execution test
FAIL: c-c++-common/asan/pointer-subtract-1.c   -O1  execution test
FAIL: c-c++-common/asan/pointer-subtract-1.c   -O2  execution test
FAIL: c-c++-common/asan/pointer-subtract-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  execution test
FAIL: c-c++-common/asan/pointer-subtract-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  execution test
FAIL: c-c++-common/asan/pointer-subtract-1.c   -O3 -g  execution test
FAIL: c-c++-common/asan/pointer-subtract-1.c   -Os  execution test
FAIL: c-c++-common/asan/pr64820.c   -O0  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O1  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -Os  output pattern test
FAIL: c-c++-common/asan/pr70541.c   -O0  output pattern test
FAIL: c-c++-common/asan/sanity-check-pure-c-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/sanity-check-pure-c-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/sanity-check-pure-c-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/sanity-check-pure-c-1.c   -O2 -flto
-fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/sanity-check-pure-c-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/sanity-check-pure-c-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/sanity-check-pure-c-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/stack-overflow-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/stack-overflow-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/stack-overflow-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/stack-overflow-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/stack-overflow-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/stack-overflow-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/stack-overflow-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/strip-path-prefix-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/strip-path-prefix-1.c   -O2 -flto
-fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/strip-path-prefix-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/strlen-overflow-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/strlen-overflow-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/strlen-overflow-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/strlen-overflow-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/strlen-overflow-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/strncpy-overflow-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/strncpy-overflow-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/strncpy-overflow-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/strncpy-overflow-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/strncpy-overflow-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/strncpy-overflow-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/strncpy-overflow-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/use-after-free-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/use-after-free-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/use-after-free-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/use-after-free-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/use-after-free-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/use-after-free-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/use-after-free-1.c   -Os  output pattern test
FAIL: c-c++-common/asan/use-after-return-1.c   -O0  output pattern test
FAIL: c-c++-common/asan/use-after-return-1.c   -O1  output pattern test
FAIL: c-c++-common/asan/use-after-return-1.c   -O2  output pattern test
FAIL: c-c++-common/asan/use-after-return-1.c   -O2 -flto -fno-use-linker-plugin
-flto-partition=none  output pattern test
FAIL: c-c++-common/asan/use-after-return-1.c   -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/use-after-return-1.c   -O3 -g  output pattern test
FAIL: c-c++-common/asan/use-after-return-1.c   -Os  output pattern test
FAIL: cmd/go/internal/cache
FAIL: cmd/go/internal/fsys
FAIL: cmd/go/internal/generate
FAIL: cmd/go/internal/get
FAIL: cmd/go/internal/imports
FAIL: cmd/go/internal/lockedfile
FAIL: cmd/go/internal/lockedfile/internal/filelock
FAIL: cmd/go/internal/modconv
FAIL: cmd/go/internal/modfetch
FAIL: cmd/go/internal/modfetch/codehost
FAIL: cmd/go/internal/modload
FAIL: cmd/go/internal/mvs
FAIL: cmd/go/internal/par
FAIL: cmd/go/internal/search
FAIL: cmd/go/internal/str
FAIL: cmd/go/internal/test
FAIL: cmd/go/internal/txtar
FAIL: cmd/go/internal/vcs
FAIL: cmd/go/internal/work
FAIL: cmd/internal/buildid
FAIL: cmd/internal/edit
FAIL: cmd/internal/objabi
FAIL: cmd/internal/pkgpath
FAIL: cmd/internal/test2json
FAIL: compress/bzip2
FAIL: compress/flate
FAIL: compress/gzip
FAIL: compress/lzw
FAIL: compress/zlib
FAIL: container/heap
FAIL: container/list
FAIL: container/ring
FAIL: context
FAIL: crypto
FAIL: crypto/aes
FAIL: crypto/cipher
FAIL: crypto/des
FAIL: crypto/dsa
FAIL: crypto/ecdsa
FAIL: crypto/ed25519
FAIL: crypto/ed25519/internal/edwards25519
FAIL: crypto/ed25519/internal/edwards25519/field
FAIL: crypto/elliptic
FAIL: crypto/elliptic/internal/fiat
FAIL: crypto/hmac
FAIL: crypto/internal/subtle
FAIL: crypto/md5
FAIL: crypto/rand
FAIL: crypto/rc4
FAIL: crypto/rsa
FAIL: crypto/sha1
FAIL: crypto/sha256
FAIL: crypto/sha512
FAIL: crypto/subtle
FAIL: crypto/tls
FAIL: crypto/x509
FAIL: database/sql
FAIL: database/sql/driver
FAIL: debug/dwarf
FAIL: debug/elf
FAIL: debug/macho
FAIL: debug/pe
FAIL: debug/plan9obj
FAIL: encoding/ascii85
FAIL: encoding/asn1
FAIL: encoding/base32
FAIL: encoding/base64
FAIL: encoding/binary
FAIL: encoding/csv
FAIL: encoding/gob
FAIL: encoding/hex
FAIL: encoding/pem
FAIL: encoding/xml
FAIL: errors
FAIL: expvar
FAIL: flag
FAIL: fmt

FAIL: g++.dg/abi/forced.C  -std=gnu++14 execution test
FAIL: g++.dg/abi/forced.C  -std=gnu++17 execution test
FAIL: g++.dg/abi/forced.C  -std=gnu++2a execution test
FAIL: g++.dg/abi/forced.C  -std=gnu++98 execution test

FAIL: g++.dg/asan/asan_test.C   -O2 
AddressSanitizer_AtoiAndFriendsOOBTestAtoi(array + 11) output pattern test
...hundreds more...
FAIL: g++.dg/asan/use-after-scope-types-5.C   -Os  output pattern test

FAIL: g++.dg/eh/forced1.C  -std=c++14 execution test
FAIL: g++.dg/eh/forced1.C  -std=c++17 execution test
FAIL: g++.dg/eh/forced1.C  -std=c++2a execution test
FAIL: g++.dg/eh/forced1.C  -std=c++98 execution test
FAIL: gfortran.dg/backtrace_1.f90   -O0  execution test
FAIL: gfortran.dg/backtrace_1.f90   -O1  execution test
FAIL: gfortran.dg/backtrace_1.f90   -O2  execution test
FAIL: gfortran.dg/backtrace_1.f90   -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/backtrace_1.f90   -Os  execution test

FAIL: go.go-torture/execute/array-1.go execution,  -O0 
...hundreds more...
FAIL: go.test/test/zerodivide.go execution,  -O2 -g 
FAIL: go/ast
FAIL: go/build
FAIL: go/build/constraint
FAIL: go/constant
FAIL: go/doc
FAIL: go/format
FAIL: go/importer
FAIL: go/internal/gccgoimporter
FAIL: go/internal/gcimporter
FAIL: go/internal/srcimporter
FAIL: go/parser
FAIL: go/printer
FAIL: go/scanner
FAIL: go/token
FAIL: go/types
FAIL: hash
FAIL: hash/adler32
FAIL: hash/crc32
FAIL: hash/crc64
FAIL: hash/fnv
FAIL: hash/maphash
FAIL: html
FAIL: html/template
FAIL: image
FAIL: image/color
FAIL: image/draw
FAIL: image/jpeg
FAIL: image/png
FAIL: index/suffixarray
FAIL: internal/cpu
FAIL: internal/execabs
FAIL: internal/fmtsort
FAIL: internal/itoa
FAIL: internal/poll
FAIL: internal/profile
FAIL: internal/reflectlite
FAIL: internal/singleflight
FAIL: internal/trace
FAIL: internal/unsafeheader
FAIL: internal/xcoff
FAIL: io
FAIL: io/fs
FAIL: io/ioutil
FAIL: log
FAIL: log/syslog
FAIL: math
FAIL: math/bits
FAIL: math/cmplx
FAIL: math/rand
FAIL: mime
FAIL: mime/multipart
FAIL: mime/quotedprintable
FAIL: net
FAIL: net/http
FAIL: net/http/cgi
FAIL: net/http/cookiejar
FAIL: net/http/fcgi
FAIL: net/http/httptest
FAIL: net/http/httptrace
FAIL: net/http/httputil
FAIL: net/http/internal
FAIL: net/http/internal/ascii
FAIL: net/http/pprof
FAIL: net/internal/socktest
FAIL: net/mail
FAIL: net/rpc
FAIL: net/rpc/jsonrpc
FAIL: net/smtp
FAIL: net/textproto
FAIL: net/url
FAIL: os
FAIL: os/exec
FAIL: os/signal
FAIL: os/user
FAIL: path
FAIL: path/filepath
FAIL: reflect
FAIL: regexp
FAIL: regexp/syntax
FAIL: runtime
FAIL: runtime/cgo
FAIL: runtime/internal/atomic
FAIL: runtime/internal/math
FAIL: runtime/internal/sys
FAIL: runtime/metrics
FAIL: runtime/pprof
FAIL: runtime/trace
FAIL: sort
FAIL: strconv
FAIL: strings
FAIL: sync
FAIL: sync/atomic
FAIL: syscall
FAIL: testing
FAIL: testing/fstest
FAIL: testing/iotest
FAIL: testing/quick
FAIL: text/scanner
FAIL: text/tabwriter
FAIL: text/template
FAIL: text/template/parse
FAIL: time
FAIL: unicode
FAIL: unicode/utf16
FAIL: unicode/utf8


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