https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78660
--- Comment #4 from Paul Hua <paul.hua.gm at gmail dot com> --- The r243817 still build failure. ------------------------------------------------------------------------ configure:3460: /home/xuchenghua/GCC/test/gcc-r243817_obj/./gcc/xgcc -B/home/xuchenghua/GCC/test/gcc-r243817_obj/./gcc/ -B/home/xuchenghua/toolchain/gcc-trunk-r243817/mips64el-unknown-linux/bin/ -B/home/xuchenghua/toolchain/gcc-trunk-r243817/mips64el-unknown-linux/lib/ -isystem /home/xuchenghua/toolchain/gcc-trunk-r243817/mips64el-unknown-linux/include -isystem /home/xuchenghua/toolchain/gcc-trunk-r243817/mips64el-unknown-linux/sys-include -o conftest -g -O2 -minterlink-mips16 conftest.c >&5 conftest.c: In function 'main': conftest.c:11:1: error: unrecognizable insn: main () ^~~~ (insn 2 0 0 (set (reg:TI 64 lo) (const_int 0 [0])) "conftest.c":12 -1 (nil)) conftest.c:11:1: internal compiler error: in internal_dfa_insn_code, at config/mips/mips.md:764 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. configure:3463: $? = 1 configure:3651: checking for suffix of object files configure:3673: /home/xuchenghua/GCC/test/gcc-r243817_obj/./gcc/xgcc -B/home/xuchenghua/GCC/test/gcc-r243817_obj/./gcc/ -B/home/xuchenghua/toolchain/gcc-trunk-r243817/mips64el-unknown-linux/bin/ -B/home/xuchenghua/toolchain/gcc-trunk-r243817/mips64el-unknown-linux/lib/ -isystem /home/xuchenghua/toolchain/gcc-trunk-r243817/mips64el-unknown-linux/include -isystem /home/xuchenghua/toolchain/gcc-trunk-r243817/mips64el-unknown-linux/sys-include -c -g -O2 -minterlink-mips16 conftest.c >&5 conftest.c: In function 'main': conftest.c:11:1: error: unrecognizable insn: main () ^~~~ (insn 2 0 0 (set (reg:TI 64 lo) (const_int 0 [0])) "conftest.c":12 -1 (nil)) conftest.c:11:1: internal compiler error: in internal_dfa_insn_code, at config/mips/mips.md:764 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. configure:3677: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "GNU C Runtime Library" | #define PACKAGE_TARNAME "libgcc" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "GNU C Runtime Library 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "http://www.gnu.org/software/libgcc/" | /* end confdefs.h. */ | | int | main () | { | | ; | return 0; | } configure:3691: error: in `/home/xuchenghua/GCC/test/gcc-r243817_obj/mips64el-unknown-linux/libgcc': configure:3694: error: cannot compute suffix of object files: cannot compile ----------------------------------------------------------------------------- Maybe the r242326 cause the bug, the r242324 build success.