https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85849
--- Comment #1 from rguenther at suse dot de <rguenther at suse dot de> --- On May 20, 2018 2:53:31 PM GMT+02:00, "hjl.tools at gmail dot com" <gcc-bugzi...@gcc.gnu.org> wrote: >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85849 > > Bug ID: 85849 > Summary: [9 Regression] -O3 bootstrap failure > Product: gcc > Version: 9.0 > 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 x86-64, r260318 caused: > >/export/gnu/import/git/gcc-test/bld/./prev-gcc/xg++ >-B/export/gnu/import/git/gcc-test/bld/./prev-gcc/ >-B/usr/9.0.0/x86_64-pc-linux-gnu/bin/ -nostdinc++ >-B/export/gnu/import/git/gcc-test/bld/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs >-B/export/gnu/import/git/gcc-test/bld/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs > >-I/export/gnu/import/git/gcc-test/bld/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu > >-I/export/gnu/import/git/gcc-test/bld/prev-x86_64-pc-linux-gnu/libstdc++-v3/include > -I/export/gnu/import/git/gcc-test/src-trunk/libstdc++-v3/libsupc++ >-L/export/gnu/import/git/gcc-test/bld/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs >-L/export/gnu/import/git/gcc-test/bld/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs >-fno-PIE -c -O3 -g -fno-checking -gtoggle -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 -I. -I. -I../../src-trunk/gcc -I../../src-trunk/gcc/. >-I../../src-trunk/gcc/../include >-I../../src-trunk/gcc/../libcpp/include >-I../../src-trunk/gcc/../libdecnumber >-I../../src-trunk/gcc/../libdecnumber/bid >-I../libdecnumber -I../../src-trunk/gcc/../libbacktrace -o asan.o -MT >asan.o >-MMD -MP -MF ./.deps/asan.TPo ../../src-trunk/gcc/asan.c >during GIMPLE pass: fre >../../src-trunk/gcc/asan.c: In function \u2018rtx_insn* >asan_emit_stack_protection(rtx, rtx, unsigned int, long int*, >tree_node**, >int)\u2019: >../../src-trunk/gcc/asan.c:1252:1: internal compiler error: in >set_ssa_val_to, >at tree-ssa-sccvn.c:3396 > asan_emit_stack_protection (rtx base, rtx pbase, unsigned int alignb, > ^~~~~~~~~~~~~~~~~~~~~~~~~~ >0x14b6002 set_ssa_val_to > ../../src-trunk/gcc/tree-ssa-sccvn.c:3393 >0x14b783d visit_reference_op_load > ../../src-trunk/gcc/tree-ssa-sccvn.c:3827 >0x14b851c visit_use > ../../src-trunk/gcc/tree-ssa-sccvn.c:4154 >0x14b9169 process_scc > ../../src-trunk/gcc/tree-ssa-sccvn.c:4416 >0x14b95ad extract_and_process_scc_for_name > ../../src-trunk/gcc/tree-ssa-sccvn.c:4487 >0x14b9756 DFS > ../../src-trunk/gcc/tree-ssa-sccvn.c:4537 >0x14baf68 sccvn_dom_walker::before_dom_children(basic_block_def*) > ../../src-trunk/gcc/tree-ssa-sccvn.c:4970 >0x1da2b13 dom_walker::walk(basic_block_def*) > ../../src-trunk/gcc/domwalk.c:353 >0x14bb58b run_scc_vn(vn_lookup_kind) > ../../src-trunk/gcc/tree-ssa-sccvn.c:5086 >0x14bec9a execute > ../../src-trunk/gcc/tree-ssa-sccvn.c:6068 >Please submit a full bug report, >with preprocessed source if appropriate. >Please include the complete backtrace with any bug report. >See <https://gcc.gnu.org/bugs/> for instructions. > >when GCC is configured with > >--with-build-config='bootstrap-O3 bootstrap-debug' --disable-werror Dup of PR85834
