https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78515
Bug ID: 78515 Summary: [7 Regression] ICE: in fold_binary_loc, at fold-const.c:8999 with -Os -mavx512bw Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: ipa 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 Build: x86_64-pc-linux-gnu Created attachment 40143 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40143&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -Os -mavx512bw testcase.c testcase.c:23:1: internal compiler error: in fold_binary_loc, at fold-const.c:8999 } ^ 0x8abc6e fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) /repo/gcc-trunk/gcc/fold-const.c:8996 0x152f1a5 ipa_get_jf_pass_through_result /repo/gcc-trunk/gcc/ipa-cp.c:1233 0x1534c46 propagate_vals_accross_pass_through /repo/gcc-trunk/gcc/ipa-cp.c:1572 0x1534c46 propagate_scalar_accross_jump_function /repo/gcc-trunk/gcc/ipa-cp.c:1654 0x1534c46 propagate_constants_accross_call /repo/gcc-trunk/gcc/ipa-cp.c:2257 0x1538900 propagate_constants_topo /repo/gcc-trunk/gcc/ipa-cp.c:3162 0x1538900 ipcp_propagate_stage /repo/gcc-trunk/gcc/ipa-cp.c:3272 0x153ad76 ipcp_driver /repo/gcc-trunk/gcc/ipa-cp.c:5002 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. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-242789-checking-yes-rtl-df-extra-nographite-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/7.0.0/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-242789-checking-yes-rtl-df-extra-nographite-amd64 Thread model: posix gcc version 7.0.0 20161123 (experimental) (GCC)