https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67191
Bug ID: 67191 Summary: [6 Regression] ICE: in before_dom_children, at tree-ssa-sccvn.c:4372 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: trippels at gcc dot gnu.org Target Milestone: --- r226801 causes: trippels@gcc2-power8 tools % ~/gcc_test/usr/local/bin/g++ -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -pedantic -fPIC -m64 -pedantic -Wstrict-aliasing -fstrict-aliasing -Wextra -Wsign-promo -Wunused-parameter -Wconversion -Wfloat-equal -Wshadow -Wno-long-long -DBOOST_ALL_NO_LIB=1 -DNDEBUG -I".." -c -o "/home/trippels/boost_testing/results/boost/bin.v2/libs/unordered/test/unordered/fwd_set_test.test/gcc-6.0.0/release/fwd_set_test.o" "../libs/unordered/test/unordered/fwd_set_test.cpp" In file included from ../libs/unordered/test/unordered/../helpers/test.hpp:10:0, from ../libs/unordered/test/unordered/fwd_set_test.cpp:61: ../libs/unordered/test/unordered/fwd_set_test.cpp: In member function ‘virtual void use_multiset_fwd_declared_function_type::run()’: ../libs/unordered/test/unordered/fwd_set_test.cpp:96:21: internal compiler error: in before_dom_children, at tree-ssa-sccvn.c:4372 UNORDERED_AUTO_TEST(use_multiset_fwd_declared_function) { ^ ../boost/preprocessor/cat.hpp:29:34: note: in definition of macro ‘BOOST_PP_CAT_I’ # define BOOST_PP_CAT_I(a, b) a ## b ^ ../libs/unordered/test/unordered/../helpers/test.hpp:24:10: note: in expansion of macro ‘BOOST_PP_CAT’ void BOOST_PP_CAT(x, _type)::run() \ ^ ../libs/unordered/test/unordered/fwd_set_test.cpp:96:1: note: in expansion of macro ‘UNORDERED_AUTO_TEST’ UNORDERED_AUTO_TEST(use_multiset_fwd_declared_function) { ^ 0x10c518c7 sccvn_dom_walker::before_dom_children(basic_block_def*) ../../gcc/gcc/tree-ssa-sccvn.c:4371 0x110b0e2b dom_walker::walk(basic_block_def*) ../../gcc/gcc/domwalk.c:177 0x10c53033 run_scc_vn(vn_lookup_kind) ../../gcc/gcc/tree-ssa-sccvn.c:4459 0x10c23503 execute ../../gcc/gcc/tree-ssa-pre.c:4847 Please submit a full bug report, with preprocessed source if appropriate reducing...