https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66340
Bug ID: 66340
Summary: [6 Regression] profiledbootstrap failure on x86-64
with LTO
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: rguenther at suse dot de
Target Milestone: ---
On Linux/x86-64, r223861 caused:
./../src-trunk/gcc/cfgcleanup.c: In function âdelete_dead_jumptablesâ:
../../src-trunk/gcc/cfgcleanup.c:2991:1: internal compiler error: in
dfs_enumerate_from, at cfganal.c:1195
delete_dead_jumptables (void)
^
0x6c9386 dfs_enumerate_from(basic_block_def*, int, bool (*)(basic_block_def
const*, void const*), basic_block_def**, int, void const*)
../../src-trunk/gcc/cfganal.c:1195
0x114dd7e determine_bb_domination_status
../../src-trunk/gcc/tree-ssa-threadupdate.c:1768
0x114dd7e thread_through_loop_header
../../src-trunk/gcc/tree-ssa-threadupdate.c:1953
0x1150c28 thread_through_all_blocks(bool)
../../src-trunk/gcc/tree-ssa-threadupdate.c:2667
0x1003d5b execute
../../src-trunk/gcc/tree-ssa-dom.c:1244
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[7]: *** [/tmp/ccgXjrua.ltrans11.ltrans.o] Error 1
make[7]: *** Waiting for unfinished jobs....
lto-wrapper: fatal error: make returned 2 exit status
compilation terminated.
/usr/local/bin/ld: error: lto-wrapper failed
when profiledbootstrap with LTO:
configure
--prefix=/export/gnu/import/git/gcc-regression-bootstrap/master/223861/usr
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
--enable-languages=c,c++ --enable-bootstrap --with-fpmath=sse
--with-build-config=bootstrap-lto --disable-werror --disable-multilib
--disable-libcc1 --disable-libcilkrts --disable-libsanitizer
make -j8 profiledbootstrap
