https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98621
Bug ID: 98621 Summary: ICE: x from g referenced in f Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: acoplan at gcc dot gnu.org Target Milestone: --- Here is an error-recovery ICE: $ cat test.c int f() { int g(x) int x; int a[x]; } $ aarch64-elf-gcc -c test.c test.c: In function 'g': test.c:4:1: error: expected declaration specifiers before '}' token 4 | } | ^ test.c:3:7: error: declaration for parameter 'a' but no such parameter 3 | int a[x]; | ^ test.c:5: error: expected '{' at end of input test.c: In function 'f': test.c:4:1: error: expected declaration or statement at end of input 4 | } | ^ test.c:1:5: internal compiler error: x from g referenced in f 1 | int f() { | ^ 0xeae7e0 convert_nonlocal_reference_op /home/alecop01/toolchain/src/gcc/gcc/tree-nested.c:1163 0x1181546 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*, tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*)) /home/alecop01/toolchain/src/gcc/gcc/tree.c:12095 0xaa2a6c walk_gimple_op(gimple*, tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) /home/alecop01/toolchain/src/gcc/gcc/gimple-walk.c:202 0xaa384e walk_gimple_stmt(gimple_stmt_iterator*, tree_node* (*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) /home/alecop01/toolchain/src/gcc/gcc/gimple-walk.c:596 0xaa3b2c walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) /home/alecop01/toolchain/src/gcc/gcc/gimple-walk.c:51 0xaa38ca walk_gimple_stmt(gimple_stmt_iterator*, tree_node* (*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) /home/alecop01/toolchain/src/gcc/gcc/gimple-walk.c:605 0xaa3b2c walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*), walk_stmt_info*) /home/alecop01/toolchain/src/gcc/gcc/gimple-walk.c:51 0xea87ca walk_body /home/alecop01/toolchain/src/gcc/gcc/tree-nested.c:811 0xea8857 walk_function /home/alecop01/toolchain/src/gcc/gcc/tree-nested.c:822 0xea8857 walk_all_functions /home/alecop01/toolchain/src/gcc/gcc/tree-nested.c:887 0xeb3bf1 lower_nested_functions(tree_node*) /home/alecop01/toolchain/src/gcc/gcc/tree-nested.c:3698 0x8d883b cgraph_node::analyze() /home/alecop01/toolchain/src/gcc/gcc/cgraphunit.c:676 0x8db7d2 analyze_functions /home/alecop01/toolchain/src/gcc/gcc/cgraphunit.c:1235 0x8dcc87 symbol_table::finalize_compilation_unit() /home/alecop01/toolchain/src/gcc/gcc/cgraphunit.c:2513 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.