https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68933
Bug ID: 68933 Summary: ICE when mixing "-fprofile-arcs -ftest-coverage" and "-fcoarray=lib" Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: fanfarillo.gcc at gmail dot com Target Milestone: --- Created attachment 37046 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37046&action=edit coarray-based distributed transpose Compiling the attached file with the following command: gfortran -fcoarray=lib -fprofile-arcs -ftest-coverage coarray_distributed_transpose.F90 -c generates an ICE: coarray_distributed_transpose.F90:107:0: use run_size internal compiler error: Segmentation fault 0xb5d8df crash_signal ../../gcc/toplev.c:334 0x7b5baf coverage_checksum_string ../../gcc/coverage.c:500 0x7b6e36 coverage_compute_profile_id(cgraph_node*) ../../gcc/coverage.c:583 0xe1a906 init_node_map(bool) ../../gcc/value-prof.c:1240 0xc39b4e tree_profiling ../../gcc/tree-profile.c:516 0xc39b4e execute ../../gcc/tree-profile.c:642 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 Using -fcoarray=single instead of -fcoarray=lib works fine. Can it be related to bug 46989 The bug has been found by Zaak Beekman. The system is a x86_64-pc-linux-gnu. gfortran -v Using built-in specs. COLLECT_GCC=gfortran COLLECT_LTO_WRAPPER=/home/alex/Downloads/gcc/libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../configure --prefix=/home/alex/Downloads/gcc --enable-languages=c,c++,fortran --disable-multilib --disable-libgcj --disable-bootstrap Thread model: posix gcc version 6.0.0 20151210 (experimental) (GCC)