https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71252
--- Comment #20 from H.J. Lu <hjl.tools at gmail dot com> --- As of r236857, on x86-64, I still got Error with make 'specmake -j `/usr/bin/getconf _NPROCESSORS_ONLN` build': check file '/export/gnu/import/git/gcc-test-spec/spec/2006/x86_64/spec/benchspec/CPU2006/416.gamess/build/build_base_lnx32e-gcc.0000/make.err' Error with make 'specmake -j `/usr/bin/getconf _NPROCESSORS_ONLN` build': check file '/export/gnu/import/git/gcc-test-spec/spec/2006/x86_64/spec/benchspec/CPU2006/454.calculix/build/build_base_lnx32e-gcc.0000/make.err' Error with make 'specmake -j `/usr/bin/getconf _NPROCESSORS_ONLN` build': check file '/export/gnu/import/git/gcc-test-spec/spec/2006/x86_64/spec/benchspec/CPU2006/481.wrf/build/build_base_lnx32e-gcc.0000/make.err' Error with make 'specmake -j `/usr/bin/getconf _NPROCESSORS_ONLN` build': check file '/export/gnu/import/git/gcc-test-spec/spec/2006/x86_64/spec/benchspec/CPU2006/416.gamess/build/build_peak_lnx32e-gcc.0000/make.err' Error with make 'specmake -j `/usr/bin/getconf _NPROCESSORS_ONLN` build': check file '/export/gnu/import/git/gcc-test-spec/spec/2006/x86_64/spec/benchspec/CPU2006/454.calculix/build/build_peak_lnx32e-gcc.0000/make.err' Error with make 'specmake -j `/usr/bin/getconf _NPROCESSORS_ONLN` build': check file '/export/gnu/import/git/gcc-test-spec/spec/2006/x86_64/spec/benchspec/CPU2006/481.wrf/build/build_peak_lnx32e-gcc.0000/make.err' They all have internal compiler error: Segmentation fault 0xbdd7df crash_signal ../../src-trunk/gcc/toplev.c:333 0x955a29 bb_seq_addr ../../src-trunk/gcc/gimple.h:1655 0x955a29 gsi_start_bb ../../src-trunk/gcc/gimple-iterator.h:129 0x955a29 gsi_for_stmt(gimple*) ../../src-trunk/gcc/gimple-iterator.c:617 0xd7834a insert_stmt_after ../../src-trunk/gcc/tree-ssa-reassoc.c:1323 0xd79573 build_and_add_sum ../../src-trunk/gcc/tree-ssa-reassoc.c:1392 0xd7b87e rewrite_expr_tree_parallel ../../src-trunk/gcc/tree-ssa-reassoc.c:4128 0xd83719 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5339 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 0xd833c7 reassociate_bb ../../src-trunk/gcc/tree-ssa-reassoc.c:5391 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. specmake[3]: *** [umat_single_crystal.o] Error 1