https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81252
Bug ID: 81252 Summary: ICE on valid C++ code: in pop_local_binding, at cp/name-lookup.c:1404 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: su at cs dot ucdavis.edu Target Milestone: --- It affects at least all versions 4.8.x and later. $ g++-trunk -v Using built-in specs. COLLECT_GCC=g++-trunk COLLECT_LTO_WRAPPER=/usr/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-source-trunk/configure --enable-languages=c,c++,lto --prefix=/usr/local/gcc-trunk --disable-bootstrap Thread model: posix gcc version 8.0.0 20170629 (experimental) [trunk revision 249769] (GCC) $ $ clang++-4.0.0 -c small.cpp $ icc -c small.cpp $ $ g++-trunk -c small.cpp small.cpp: In function ‘void f()’: small.cpp:9:4: internal compiler error: in pop_local_binding, at cp/name-lookup.c:1404 }; ^ 0x7cdb6a pop_local_binding(tree_node*, tree_node*) ../../gcc-source-trunk/gcc/cp/name-lookup.c:1404 0x75afbb poplevel(int, int, int) ../../gcc-source-trunk/gcc/cp/decl.c:773 0x8a6b83 do_poplevel(tree_node*) ../../gcc-source-trunk/gcc/cp/semantics.c:448 0x8a99e9 finish_compound_stmt(tree_node*) ../../gcc-source-trunk/gcc/cp/semantics.c:1442 0x800727 cp_parser_compound_statement ../../gcc-source-trunk/gcc/cp/parser.c:11132 0x818868 cp_parser_function_body ../../gcc-source-trunk/gcc/cp/parser.c:21592 0x818868 cp_parser_ctor_initializer_opt_and_function_body ../../gcc-source-trunk/gcc/cp/parser.c:21628 0x819331 cp_parser_function_definition_after_declarator ../../gcc-source-trunk/gcc/cp/parser.c:26460 0x81a12d cp_parser_function_definition_from_specifiers_and_declarator ../../gcc-source-trunk/gcc/cp/parser.c:26372 0x81a12d cp_parser_init_declarator ../../gcc-source-trunk/gcc/cp/parser.c:19312 0x81c6df cp_parser_simple_declaration ../../gcc-source-trunk/gcc/cp/parser.c:12945 0x81d50a cp_parser_block_declaration ../../gcc-source-trunk/gcc/cp/parser.c:12763 0x825704 cp_parser_declaration ../../gcc-source-trunk/gcc/cp/parser.c:12660 0x824126 cp_parser_declaration_seq_opt ../../gcc-source-trunk/gcc/cp/parser.c:12536 0x824444 cp_parser_translation_unit ../../gcc-source-trunk/gcc/cp/parser.c:4386 0x824444 c_parse_file() ../../gcc-source-trunk/gcc/cp/parser.c:38642 0x968075 c_common_parse_file() ../../gcc-source-trunk/gcc/c-family/c-opts.c:1104 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. $ --------------------------- struct S {}; void f () { struct A { struct S s; void g (struct s); }; }