https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85522
Bug ID: 85522 Summary: ICE: in model_update_limit_points_in_group, at haifa-sched.c:1985 with -O2 -ftracer --param=max-sched-extend-regions-iters=5 Product: gcc Version: 8.0.1 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: aarch64-unknown-linux-gnu Created attachment 44016 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44016&action=edit reduced testcase Compiler output: $ aarch64-unknown-linux-gnu-gcc -O2 -ftracer --param=max-sched-extend-regions-iters=5 testcase.c during RTL pass: sched1 testcase.c: In function 'foo': testcase.c:11:1: internal compiler error: in model_update_limit_points_in_group, at haifa-sched.c:1985 } ^ 0x149b095 model_update_limit_points_in_group /repo/gcc-trunk/gcc/haifa-sched.c:1985 0x149b095 model_update_limit_points /repo/gcc-trunk/gcc/haifa-sched.c:1996 0x149b095 schedule_insn /repo/gcc-trunk/gcc/haifa-sched.c:4080 0x149d64c schedule_block(basic_block_def**, void*) /repo/gcc-trunk/gcc/haifa-sched.c:6871 0xc25e5a schedule_region /repo/gcc-trunk/gcc/sched-rgn.c:3177 0xc25e5a schedule_insns() /repo/gcc-trunk/gcc/sched-rgn.c:3516 0xc26283 schedule_insns() /repo/gcc-trunk/gcc/sched-rgn.c:3501 0xc26283 rest_of_handle_sched /repo/gcc-trunk/gcc/sched-rgn.c:3720 0xc26283 execute /repo/gcc-trunk/gcc/sched-rgn.c:3828 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. $ aarch64-unknown-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-aarch64/bin/aarch64-unknown-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-259628-checking-yes-rtl-df-extra-aarch64/bin/../libexec/gcc/aarch64-unknown-linux-gnu/8.0.1/lto-wrapper Target: aarch64-unknown-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra --with-cloog --with-ppl --with-isl --with-sysroot=/usr/aarch64-unknown-linux-gnu --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=aarch64-unknown-linux-gnu --with-ld=/usr/bin/aarch64-unknown-linux-gnu-ld --with-as=/usr/bin/aarch64-unknown-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-259628-checking-yes-rtl-df-extra-aarch64 Thread model: posix gcc version 8.0.1 20180425 (experimental) (GCC)