https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86686
Bug ID: 86686 Summary: Seg fault while builing GCC 8.2 (using GCC 8.1) on intel x86_64 Product: gcc Version: 8.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: gcc.hall at gmail dot com Target Milestone: --- g++ -std=gnu++98 -fno-PIE -c -DIN_GCC_FRONTEND -g -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -I. -Icp -I../../gcc -I../../gcc/cp -I../../gcc/../include -I../../gcc/../libcpp/include -I/tmp/gcc-8.2.0/obj/./gmp -I/tmp/gcc-8.2.0/gmp -I/tmp/gcc-8.2.0/obj/./mpfr/src -I/tmp/gcc-8.2.0/mpfr/src -I/tmp/gcc-8.2.0/mpc/src -I../../gcc/../libdecnumber -I../../gcc/../libdecnumber/dpd -I../libdecnumber -I../../gcc/../libbacktrace -I/tmp/gcc-8.2.0/obj/./isl/include -I/tmp/gcc-8.2.0/isl/include -o cp/decl.o -MT cp/decl.o -MMD -MP -MF cp/.deps/decl.TPo ../../gcc/cp/decl.c during RTL pass: expand ../../gcc/cp/decl.c: In function 'bool start_preparsed_function(tree, tree, int)': ../../gcc/cp/decl.c:14941:1: internal compiler error: Segmentation fault start_preparsed_function (tree decl1, tree attrs, int flags) ^~~~~~~~~~~~~~~~~~~~~~~~ 0xb23d1f crash_signal ../../gcc/toplev.c:325 0xc04740 coalesce_with_default ../../gcc/tree-ssa-coalesce.c:1063 0xc04740 create_outofssa_var_map ../../gcc/tree-ssa-coalesce.c:1259 0xc04f75 coalesce_ssa_name() ../../gcc/tree-ssa-coalesce.c:1802 0xbb030c remove_ssa_form ../../gcc/tree-outof-ssa.c:948 0xbb030c rewrite_out_of_ssa(ssaexpand*) ../../gcc/tree-outof-ssa.c:1174 0x7b9810 execute ../../gcc/cfgexpand.c:6227 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. Makefile:1110: recipe for target 'cp/decl.o' failed make[3]: *** [cp/decl.o] Error 1 make[3]: Leaving directory '/tmp/gcc-8.2.0/obj/gcc' Makefile:4623: recipe for target 'all-stage1-gcc' failed make[2]: *** [all-stage1-gcc] Error 2 make[2]: Leaving directory '/tmp/gcc-8.2.0/obj' Makefile:26488: recipe for target 'stage1-bubble' failed make[1]: *** [stage1-bubble] Error 2 make[1]: Leaving directory '/tmp/gcc-8.2.0/obj' Makefile:951: recipe for target 'all' failed make: *** [all] Error 2