[Bug bootstrap/63787] New: [5 Regression] profiledbootstrap failure with bootstrap-lto

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63787

            Bug ID: 63787
           Summary: [5 Regression] profiledbootstrap failure with
                    bootstrap-lto
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: rguenth at gcc dot gnu.org

On Linux/x86-64, configured with

--prefix=/export/project/git/gcc-regression-bootstrap/master/217178/usr
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
MAKEINFO=/usr/bin/false --enable-languages=c,c++ --enable-bootstrap
--with-build-config=bootstrap-lto --disable-werror --disable-multilib
--disable-libcc1

r217178 caused:

/export/project/git/gcc-regression-bootstrap/master/217178/bld/./prev-gcc/xg++
-B/export/project/git/gcc-regression-bootstrap/master/217178/bld/./prev-gcc/
-B/export/project/git/gcc-regression-bootstrap/master/217178/usr/x86_64-unknown-linux-gnu/bin/
-nostdinc++
-B/export/project/git/gcc-regression-bootstrap/master/217178/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
-B/export/project/git/gcc-regression-bootstrap/master/217178/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs

-I/export/project/git/gcc-regression-bootstrap/master/217178/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu

-I/export/project/git/gcc-regression-bootstrap/master/217178/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include
 -I/export/project/git/gcc-regression/gcc/libstdc++-v3/libsupc++
-L/export/project/git/gcc-regression-bootstrap/master/217178/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
-L/export/project/git/gcc-regression-bootstrap/master/217178/bld/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
  -g -O2 -flto=jobserver -frandom-seed=1 -fprofile-use -DIN_GCC   
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual
-pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings
-fno-common  -DHAVE_CONFIG_H -DGENERATOR_FILE -static-libstdc++ -static-libgcc 
-o build/genmatch \
    build/genmatch.o ../libcpp/libcpp.a ../libiberty/libiberty.a build/errors.o
build/vec.o build/hash-table.o .././libiberty/libiberty.a  
/export/project/git/gcc-regression/gcc/gcc/genmatch.c: In function
\u2018get_operator\u2019:
/export/project/git/gcc-regression/gcc/gcc/genmatch.c:329:1: internal compiler
error: in get_string_length, at tree-ssa-strlen.c:428
 get_operator (const char *id)
 ^
0x10e9c2a get_string_length
    /export/project/git/gcc-regression/gcc/gcc/tree-ssa-strlen.c:428
0x10eb4e8 handle_builtin_strlen
    /export/project/git/gcc-regression/gcc/gcc/tree-ssa-strlen.c:910
0x10ef194 strlen_optimize_stmt
    /export/project/git/gcc-regression/gcc/gcc/tree-ssa-strlen.c:1904
0x10ef194 strlen_dom_walker::before_dom_children(basic_block_def*)
    /export/project/git/gcc-regression/gcc/gcc/tree-ssa-strlen.c:2109
0x17d9c4c dom_walker::walk(basic_block_def*)
    /export/project/git/gcc-regression/gcc/gcc/domwalk.c:188
0x10e7c22 execute
    /export/project/git/gcc-regression/gcc/gcc/tree-ssa-strlen.c:2182
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.
make[4]: *** [/tmp/ccbyp8aP.ltrans12.ltrans.o] Error 1
make[4]: *** Waiting for unfinished jobs....
lto-wrapper: fatal error: make returned 2 exit status
compilation terminated.
/usr/local/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[3]: *** [build/genmatch] Error 1

with "make profiledbootstrap".