https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90996
Bug ID: 90996 Summary: [8/9/10 Regression] ICE in gimplify_expr, at gimplify.c:13495 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Started with gcc-8 (before 20180525) : $ cat z1.cc struct S { int &&a; int b[1] {a}; }; S c[] {{2}}; $ g++-7 -c z1.cc7 $ $ g++-10-20190623 -c z1.cc z1.cc: In function 'void __static_initialization_and_destruction_0(int, int)': z1.cc:6:11: internal compiler error: in gimplify_expr, at gimplify.c:13495 6 | S c[] {{2}}; | ^ 0x96cbdb gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) ../../gcc/gimplify.c:13495 0x96b74a gimplify_compound_lval ../../gcc/gimplify.c:3017 0x96b74a gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) ../../gcc/gimplify.c:12677 0x96c8fc gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) ../../gcc/gimplify.c:12846 0x9740c2 gimplify_modify_expr ../../gcc/gimplify.c:5706 0x96a34d gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) ../../gcc/gimplify.c:12725 0x96ccb8 gimplify_stmt(tree_node**, gimple**) ../../gcc/gimplify.c:6754 0x96aa33 gimplify_cleanup_point_expr ../../gcc/gimplify.c:6496 0x96aa33 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) ../../gcc/gimplify.c:13102 0x96ccb8 gimplify_stmt(tree_node**, gimple**) ../../gcc/gimplify.c:6754 0x96ac3b gimplify_statement_list ../../gcc/gimplify.c:1827 0x96ac3b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) ../../gcc/gimplify.c:13154 0x96ccb8 gimplify_stmt(tree_node**, gimple**) ../../gcc/gimplify.c:6754 0x96f438 gimplify_cond_expr ../../gcc/gimplify.c:4183 0x96a2d1 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) ../../gcc/gimplify.c:12682 0x96ccb8 gimplify_stmt(tree_node**, gimple**) ../../gcc/gimplify.c:6754 0x96f438 gimplify_cond_expr ../../gcc/gimplify.c:4183 0x96a2d1 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) ../../gcc/gimplify.c:12682 0x96ccb8 gimplify_stmt(tree_node**, gimple**) ../../gcc/gimplify.c:6754 0x96e0da gimplify_body(tree_node*, bool) ../../gcc/gimplify.c:13944