https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77332
Bug ID: 77332 Summary: ICE when building gcc 6.2 (with gcc 6,1.0) Product: gcc Version: 6.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: gcc.hall at gmail dot com Target Milestone: --- Linux x86_64. Configured with: ../configure --disable-multilib --enable-languages=c,c++ The build failed with:- /tmp/gcc-6.2.0/obj/./prev-gcc/xg++ -B/tmp/gcc-6.2.0/obj/./prev-gcc/ -B/usr/local/x86_64-pc-linux-gnu/bin/ -nostdinc++ -B/tmp/gcc-6.2.0/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs -B/tmp/gcc-6.2.0/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs -I/tmp/gcc-6.2.0/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu -I/tmp/gcc-6.2.0/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/include -I/tmp/gcc-6.2.0/libstdc++-v3/libsupc++ -L/tmp/gcc-6.2.0/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs -L/tmp/gcc-6.2.0/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs -fno-PIE -c -g -O2 -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 -DHAVE_CONFIG_H -I. -I. -I../../gcc -I../../gcc/. -I../../gcc/../include -I../../gcc/../libcpp/include -I/tmp/gcc-6.2.0/obj/./gmp -I/tmp/gcc-6.2.0/gmp -I/tmp/gcc-6.2.0/obj/./mpfr -I/tmp/gcc-6.2.0/mpfr -I/tmp/gcc-6.2.0/mpc/src -I../../gcc/../libdecnumber -I../../gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc/../libbacktrace -I/tmp/gcc-6.2.0/obj/./isl/include -I/tmp/gcc-6.2.0/isl/include -o insn-latencytab.o -MT insn-latencytab.o -MMD -MP -MF ./.deps/insn-latencytab.TPo insn-latencytab.c ../../gcc/lto/lto-lang.c: In function ‘void lto_define_builtins(tree, tree)’: ../../gcc/lto/lto-lang.c:727:1: internal compiler error: in df_refs_verify, at df-scan.c:4022 } ^ 0xc21563 df_refs_verify ../../gcc/df-scan.c:4022 0xc2175f df_insn_refs_verify ../../gcc/df-scan.c:4102 0xc21928 df_bb_verify ../../gcc/df-scan.c:4131 0xc21e76 df_scan_verify() ../../gcc/df-scan.c:4263 0xc0cc29 df_verify() ../../gcc/df-core.c:1831 0xc0b537 df_analyze_1 ../../gcc/df-core.c:1217 0xc0b8d9 df_analyze() ../../gcc/df-core.c:1294 0x19bb34b execute_rtl_cprop ../../gcc/cprop.c:1875 0x19bb44c execute ../../gcc/cprop.c:1914 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[3]: *** [Makefile:1085: lto/lto-lang.o] Error 1 make[3]: *** Waiting for unfinished jobs....