https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98073
Bug ID: 98073
Summary: error: in can_merge_p, at analyzer/region-model.cc
Product: gcc
Version: 10.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: rnsanchez at gmail dot com
Target Milestone: ---
Created attachment 49655
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49655&action=edit
Manually reduced after preprocessing http_htx.c
While compiling HAProxy from git (@v2.4-dev1-42-g4d6c59499).
Compiling the reduced file:
$ cc -Iinclude -fanalyzer -Wno-address-of-packed-member -DUSE_EPOLL
-DUSE_NETFILTER -DUSE_PCRE -DUSE_POLL -DUSE_THREAD -DUSE_BACKTRACE
-DUSE_TPROXY -DUSE_LINUX_TPROXY -DUSE_LINUX_SPLICE -DUSE_LIBCRYPT -DUSE_CRYPT_H
-DUSE_GETADDRINFO -DUSE_OPENSSL -DUSE_LUA -DUSE_FUTEX -DUSE_ACCEPT4 -DUSE_ZLIB
-DUSE_CPU_AFFINITY -DUSE_TFO -DUSE_NS -DUSE_DL -DUSE_RT -DUSE_PRCTL
-DUSE_THREAD_DUMP -DUSE_PCRE -I/usr/include
-DCONFIG_HAPROXY_VERSION=\"2.4-dev1-4d6c59-42\"
-DCONFIG_HAPROXY_DATE=\"2020/11/30\" -c -o src/http_htx.o
src/http_htx-reduced.i -v -save-temps
Reading specs from /usr/lib64/gcc/x86_64-slackware-linux/10.2.0/specs
COLLECT_GCC=cc
Target: x86_64-slackware-linux
Configured with: ../configure --prefix=/usr --libdir=/usr/lib64
--mandir=/usr/man --infodir=/usr/info --enable-shared --enable-bootstrap
--enable-languages=ada,brig,c,c++,d,fortran,go,lto,objc,obj-c++
--enable-threads=posix --enable-checking=release --enable-objc-gc
--with-system-zlib --enable-libstdcxx-dual-abi --with-default-libstdcxx-abi=new
--disable-libstdcxx-pch --disable-libunwind-exceptions --enable-__cxa_atexit
--disable-libssp --enable-gnu-unique-object --enable-plugin --enable-lto
--disable-install-libiberty --disable-werror --with-gnu-ld --with-isl --verbose
--with-arch-directory=amd64 --disable-gtktest --enable-clocale=gnu
--disable-multilib --target=x86_64-slackware-linux
--build=x86_64-slackware-linux --host=x86_64-slackware-linux
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 10.2.0 (GCC)
COLLECT_GCC_OPTIONS='-I' 'include' '-fanalyzer' '-Wno-address-of-packed-member'
'-D' 'USE_EPOLL' '-D' 'USE_NETFILTER' '-D' 'USE_PCRE' '-D' 'USE_POLL' '-D'
'USE_THREAD' '-D' 'USE_BACKTRACE' '-D' 'USE_TPROXY' '-D' 'USE_LINUX_TPROXY'
'-D' 'USE_LINUX_SPLICE' '-D' 'USE_LIBCRYPT' '-D' 'USE_CRYPT_H' '-D'
'USE_GETADDRINFO' '-D' 'USE_OPENSSL' '-D' 'USE_LUA' '-D' 'USE_FUTEX' '-D'
'USE_ACCEPT4' '-D' 'USE_ZLIB' '-D' 'USE_CPU_AFFINITY' '-D' 'USE_TFO' '-D'
'USE_NS' '-D' 'USE_DL' '-D' 'USE_RT' '-D' 'USE_PRCTL' '-D' 'USE_THREAD_DUMP'
'-D' 'USE_PCRE' '-I' '/usr/include' '-D'
'CONFIG_HAPROXY_VERSION="2.4-dev1-4d6c59-42"' '-D'
'CONFIG_HAPROXY_DATE="2020/11/30"' '-c' '-o' 'src/http_htx.o' '-v'
'-save-temps' '-mtune=generic' '-march=x86-64'
/usr/libexec/gcc/x86_64-slackware-linux/10.2.0/cc1 -fpreprocessed
src/http_htx-reduced.i -quiet -dumpbase http_htx-reduced.i -mtune=generic
-march=x86-64 -auxbase-strip src/http_htx.o -Wno-address-of-packed-member
-version -fanalyzer -o http_htx-reduced.s
GNU C17 (GCC) version 10.2.0 (x86_64-slackware-linux)
compiled by GNU C version 10.2.0, GMP version 6.2.0, MPFR version
4.1.0, MPC version 1.2.1, isl version isl-0.23-GMP
warning: GMP header version 6.2.0 differs from library version 6.2.1.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C17 (GCC) version 10.2.0 (x86_64-slackware-linux)
compiled by GNU C version 10.2.0, GMP version 6.2.0, MPFR version
4.1.0, MPC version 1.2.1, isl version isl-0.23-GMP
warning: GMP header version 6.2.0 differs from library version 6.2.1.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 7ecb224e89d32d55be91bf0fce5dc194
during IPA pass: analyzer
src/http_htx-reduced.i: In function 'http_update_host':
src/http_htx-reduced.i:123:14: internal compiler error: in can_merge_p, at
analyzer/region-model.cc:2053
123 | authority = uri;
| ~~~~~~~~~~^~~~~
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
