https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64636
Bug ID: 64636
Summary: Bootstrapping gcc-4.9.2 fails if lto is enabled
Product: gcc
Version: 4.9.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: carson at taltos dot org
LTO bootstrap throws an error on libiberty/regex.c. Removing the LTO compile
options results in a successful compilation of regex.o
gcc 4.9.2
Solaris 11.2
gcc configure command:
../gcc-4.9.2/configure --prefix=/Tools/SunOS_5.11_i86pc_amd64/gcc-4.9.2-allgnu
--with-local-prefix=/Tools/SunOS_5.11_i86pc_amd64/gcc-4.9.2-allgnu
--with-gnu-as --with-as=/usr/local/bin/gas --with-gnu-ld
--with-ld=/usr/local/bin/gld --with-cpu=native --with-arch=native
--enable-languages=c,c++ --with-gmp=/Tools/SunOS_5.11_i86pc_amd64/gmp-6.0.0a
--with-mpfr=/Tools/SunOS_5.11_i86pc_amd64/mpfr-3.1.2
--with-mpc=/Tools/SunOS_5.11_i86pc_amd64/mpc-1.0.2
--with-isl=/Tools/SunOS_5.11_i86pc_amd64/isl-0.12.2
--with-cloog=/Tools/SunOS_5.11_i86pc_amd64/cloog-0.18.1 CC='gcc -m64' CXX='g++
-m64' LDFLAGS='-R/Tools/SunOS_5.11_i86pc_amd64/gmp-6.0.0a/lib
-R/Tools/SunOS_5.11_i86pc_amd64/mpfr-3.1.2/lib
-R/Tools/SunOS_5.11_i86pc_amd64/mpc-1.0.2/lib
-R/Tools/SunOS_5.11_i86pc_amd64/isl-0.12.2/lib
-R/Tools/SunOS_5.11_i86pc_amd64/cloog-0.18.1/lib'
Bootstrap command:
gmake BOOT_LDFLAGS='-R/Tools/SunOS_5.11_i86pc_amd64/gmp-6.0.0a/lib
-R/Tools/SunOS_5.11_i86pc_amd64/mpfr-3.1.2/lib
-R/Tools/SunOS_5.11_i86pc_amd64/mpc-1.0.2/lib
-R/Tools/SunOS_5.11_i86pc_amd64/isl-0.12.2/lib
-R/Tools/SunOS_5.11_i86pc_amd64/cloog-0.18.1/lib' BUILD_CONFIG=bootstrap-lto
profiledbootstrap
Failing command:
/export/data/build/gcc-4.9.2-obj/./prev-gcc/xgcc
-B/export/data/build/gcc-4.9.2-obj/./prev-gcc/
-B/Tools/SunOS_5.11_i86pc_amd64/gcc-4.9.2-allgnu/x86_64-pc-solaris2.11/bin/
-B/Tools/SunOS_5.11_i86pc_amd64/gcc-4.9.2-allgnu/x86_64-pc-solaris2.11/bin/
-B/Tools/SunOS_5.11_i86pc_amd64/gcc-4.9.2-allgnu/x86_64-pc-solaris2.11/lib/
-isystem
/Tools/SunOS_5.11_i86pc_amd64/gcc-4.9.2-allgnu/x86_64-pc-solaris2.11/include
-isystem
/Tools/SunOS_5.11_i86pc_amd64/gcc-4.9.2-allgnu/x86_64-pc-solaris2.11/sys-include
-c -DHAVE_CONFIG_H -g -O2 -flto=jobserver -frandom-seed=1 -ffat-lto-objects
-fprofile-use -I. -I../../gcc-4.9.2/libiberty/../include -W -Wall
-Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic
../../gcc-4.9.2/libiberty/regex.c -o regex.o
../../gcc-4.9.2/libiberty/regex.c: In function 'byte_re_match_2_internal':
../../gcc-4.9.2/libiberty/regex.c:8128:1: internal compiler error: in
streamer_write_gcov_count_stream, at data-streamer-out.c:303
}
^
0x136348a streamer_write_gcov_count_stream
../../gcc-4.9.2/gcc/data-streamer-out.c:303
0x136348a streamer_write_gcov_count(output_block*, long)
../../gcc-4.9.2/gcc/data-streamer-out.c:188
0xf4270d stream_out_histogram_value(output_block*, histogram_value_t*)
../../gcc-4.9.2/gcc/value-prof.c:388
0x138c4c4 output_gimple_stmt
../../gcc-4.9.2/gcc/gimple-streamer-out.c:185
0x138c4c4 output_bb(output_block*, basic_block_def*, function*)
../../gcc-4.9.2/gcc/gimple-streamer-out.c:215
0xa99095 output_function
../../gcc-4.9.2/gcc/lto-streamer-out.c:1892
0xa99095 lto_output()
../../gcc-4.9.2/gcc/lto-streamer-out.c:2084
0xaf5b07 write_lto
../../gcc-4.9.2/gcc/passes.c:2298
0xaf806f ipa_write_summaries_1
../../gcc-4.9.2/gcc/passes.c:2360
0xaf806f ipa_write_summaries()
../../gcc-4.9.2/gcc/passes.c:2417
0x769323 ipa_passes
../../gcc-4.9.2/gcc/cgraphunit.c:2078
0x769323 compile()
../../gcc-4.9.2/gcc/cgraphunit.c:2174
0x76b3ac finalize_compilation_unit()
../../gcc-4.9.2/gcc/cgraphunit.c:2329
0x5a4bc3 c_write_global_declarations()
../../gcc-4.9.2/gcc/c/c-decl.c:10401
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
