https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81011
Bug ID: 81011 Summary: [6/7/8 Regression] ICE with #pragma omp task and inaccessible copy-constructor Product: gcc Version: unknown Status: UNCONFIRMED Keywords: error-recovery, ice-on-invalid-code, openmp Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: reichelt at gcc dot gnu.org Target Milestone: --- The following invalid code snippet triggers an ICE since GCC 6.1.0 (when compiled with -fopenmp): ========================== class A { A(const A&); }; void foo(const A&); void bar(const A& a) { #pragma omp task foo(a); } ========================== bug.cc: In function 'void bar(const A&)': bug.cc:10:9: error: 'A::A(const A&)' is private within this context #pragma omp task ^~~ bug.cc:3:3: note: declared private here A(const A&); ^ during GIMPLE pass: omplower bug.cc:10:9: internal compiler error: Segmentation fault #pragma omp task ^~~ 0xd7564f crash_signal ../../gcc/gcc/toplev.c:338 0xc624f1 scan_sharing_clauses ../../gcc/gcc/omp-low.c:1405 0xc65f58 scan_omp_task ../../gcc/gcc/omp-low.c:1881 0xc65f58 scan_omp_1_stmt ../../gcc/gcc/omp-low.c:3170 0xae9376 walk_gimple_stmt(gimple_stmt_iterator*, tree_node* (*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) ../../gcc/gcc/gimple-walk.c:568 0xae9570 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) ../../gcc/gcc/gimple-walk.c:51 0xae9441 walk_gimple_stmt(gimple_stmt_iterator*, tree_node* (*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) ../../gcc/gcc/gimple-walk.c:595 0xae9570 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) ../../gcc/gcc/gimple-walk.c:51 0xc59b3d scan_omp ../../gcc/gcc/omp-low.c:3246 0xc6f35a execute_lower_omp ../../gcc/gcc/omp-low.c:8981 0xc6f35a execute ../../gcc/gcc/omp-low.c:9028 Please submit a full bug report, [etc.]