http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60253
Bug ID: 60253 Summary: [4.7/4.8/4.9 Regression] ICE passing class object through ellipsis (...) Product: gcc Version: 4.9.0 Status: UNCONFIRMED Keywords: error-recovery, ice-on-invalid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: reichelt at gcc dot gnu.org The following invalid code snippet triggers an ICE since GCC 4.7.0: ==================================== struct A { ~A(); }; struct B { B(...); }; B b(0, A()); ==================================== bug.cc:11:11: error: cannot pass objects of non-trivially-copyable type 'struct A' through '...' B b(0, A()); ^ bug.cc: In function 'void __static_initialization_and_destruction_0(int, int)': bug.cc:11:3: internal compiler error: in create_tmp_var, at gimple-expr.c:506 B b(0, A()); ^ 0x9d4fa3 create_tmp_var(tree_node*, char const*) ../../gcc/gcc/gimple-expr.c:506 0x9fe66c create_tmp_from_val ../../gcc/gcc/gimplify.c:457 0x9fe66c lookup_tmp_var ../../gcc/gcc/gimplify.c:479 0x9fe66c internal_get_tmp_var ../../gcc/gcc/gimplify.c:523 0x9f7261 gimplify_expr(tree_node**, gimple_statement_base**, gimple_statement_base**, bool (*)(tree_node*), int) ../../gcc/gcc/gimplify.c:8346 0xa02038 gimplify_call_expr ../../gcc/gcc/gimplify.c:2375 0x9f76b7 gimplify_expr(tree_node**, gimple_statement_base**, gimple_statement_base**, bool (*)(tree_node*), int) ../../gcc/gcc/gimplify.c:7419 0x9fc086 gimplify_stmt(tree_node**, gimple_statement_base**) ../../gcc/gcc/gimplify.c:5341 0x9f7742 gimplify_cleanup_point_expr ../../gcc/gcc/gimplify.c:5117 0x9f7742 gimplify_expr(tree_node**, gimple_statement_base**, gimple_statement_base**, bool (*)(tree_node*), int) ../../gcc/gcc/gimplify.c:7811 0x9fc086 gimplify_stmt(tree_node**, gimple_statement_base**) ../../gcc/gcc/gimplify.c:5341 0x9f81ab gimplify_statement_list ../../gcc/gcc/gimplify.c:1412 0x9f81ab gimplify_expr(tree_node**, gimple_statement_base**, gimple_statement_base**, bool (*)(tree_node*), int) ../../gcc/gcc/gimplify.c:7863 0x9fc086 gimplify_stmt(tree_node**, gimple_statement_base**) ../../gcc/gcc/gimplify.c:5341 0xa00571 gimplify_cond_expr ../../gcc/gcc/gimplify.c:3066 0x9f7c1c gimplify_expr(tree_node**, gimple_statement_base**, gimple_statement_base**, bool (*)(tree_node*), int) ../../gcc/gcc/gimplify.c:7404 0x9fc086 gimplify_stmt(tree_node**, gimple_statement_base**) ../../gcc/gcc/gimplify.c:5341 0xa00571 gimplify_cond_expr ../../gcc/gcc/gimplify.c:3066 0x9f7c1c gimplify_expr(tree_node**, gimple_statement_base**, gimple_statement_base**, bool (*)(tree_node*), int) ../../gcc/gcc/gimplify.c:7404 0x9fc086 gimplify_stmt(tree_node**, gimple_statement_base**) ../../gcc/gcc/gimplify.c:5341 Please submit a full bug report, [etc.]