https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79652
Bug ID: 79652
Summary: ICE on invalid c++ code in
warn_extern_redeclared_static in cp/decl.c:1231
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Created attachment 40790
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40790&action=edit
test-case
Adopted from clang:
$ g++ /home/marxin/BIG/Programming/llvm-project/clang/test/CXX/drs/dr6xx.cpp
...
/home/marxin/BIG/Programming/llvm-project/clang/test/CXX/drs/dr6xx.cpp:169:16:
internal compiler error: tree check: expected var_decl or function_decl or
parm_decl, have <invalid tree code> in warn_extern_redeclared_static, at
cp/decl.c:1231
extern int x[];
^
0x15410ca tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc/tree.c:9815
0x836cf3 tree_check3(tree_node*, char const*, int, char const*, tree_code,
tree_code, tree_code)
../../gcc/tree.h:3104
0x83d37f warn_extern_redeclared_static(tree_node*, tree_node*)
../../gcc/cp/decl.c:1231
0xac7953 pushdecl_maybe_friend_1
../../gcc/cp/name-lookup.c:1047
0xac9489 pushdecl_maybe_friend(tree_node*, bool)
../../gcc/cp/name-lookup.c:1352
0xac94c0 pushdecl(tree_node*)
../../gcc/cp/name-lookup.c:1362
0xac96ce maybe_push_decl(tree_node*)
../../gcc/cp/name-lookup.c:1391
0x85389c start_decl(cp_declarator const*, cp_decl_specifier_seq*, int,
tree_node*, tree_node*, tree_node**)
../../gcc/cp/decl.c:5136
0x9a8923 cp_parser_init_declarator
../../gcc/cp/parser.c:19273
0x99cb59 cp_parser_simple_declaration
../../gcc/cp/parser.c:12795
0x99c6c2 cp_parser_block_declaration
../../gcc/cp/parser.c:12621
0x99c444 cp_parser_declaration
../../gcc/cp/parser.c:12518
0x99bf9d cp_parser_declaration_seq_opt
../../gcc/cp/parser.c:12394
0x9a6842 cp_parser_namespace_body
../../gcc/cp/parser.c:18294
0x9a67d6 cp_parser_namespace_definition
../../gcc/cp/parser.c:18270
0x99c348 cp_parser_declaration
../../gcc/cp/parser.c:12498
0x99bf9d cp_parser_declaration_seq_opt
../../gcc/cp/parser.c:12394
0x98a935 cp_parser_translation_unit
../../gcc/cp/parser.c:4366
0x9dbd52 c_parse_file()
../../gcc/cp/parser.c:38430
0xb8e93c c_common_parse_file()
../../gcc/c-family/c-opts.c:1107
