https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83398
Bug ID: 83398
Summary: [8 Regression] ICE: in try_ready, at
haifa-sched.c:7524 with -O2 -fsched2-use-superblocks
-g
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -fsched2-use-superblocks -g testcase.c
during RTL pass: sched2
testcase.c: In function 'foo':
testcase.c:16:1: internal compiler error: in try_ready, at haifa-sched.c:7524
}
^
0x16a5e51 try_ready(rtx_insn*)
/repo/gcc-trunk/gcc/haifa-sched.c:7520
0x17273d3 init_ready_list
/repo/gcc-trunk/gcc/sched-ebb.c:129
0x16a963e schedule_block(basic_block_def**, void*)
/repo/gcc-trunk/gcc/haifa-sched.c:6522
0x1727af0 schedule_ebb(rtx_insn*, rtx_insn*, bool)
/repo/gcc-trunk/gcc/sched-ebb.c:537
0x17282b6 schedule_ebbs()
/repo/gcc-trunk/gcc/sched-ebb.c:657
0xe0b254 rest_of_handle_sched2
/repo/gcc-trunk/gcc/sched-rgn.c:3735
0xe0b254 execute
/repo/gcc-trunk/gcc/sched-rgn.c:3873
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-trunk-255576-checking-yes-rtl-df-extra-nographite-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-255576-checking-yes-rtl-df-extra-nographite-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--without-cloog --without-ppl --without-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-255576-checking-yes-rtl-df-extra-nographite-amd64
Thread model: posix
gcc version 8.0.0 20171212 (experimental) (GCC)
Tested revisions:
r255581 - FAIL
r255576 - FAIL
r255554 - OK
