https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63820
Bug ID: 63820 Summary: [5.0 regression] c++ ICE since libcpp change r217202 Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: jiwang at gcc dot gnu.org ./cc1plus -O2 cse.ii int vprintf(const char*, __gnuc_va_list) {GC 13083k -> In file included from /usr/include/stdio.h:934:0, from ../../gcc/gcc/system.h:46, from ../../gcc/gcc/cse.c:21: /usr/include/aarch64-linux-gnu/bits/stdio.h: At global scope: /usr/include/aarch64-linux-gnu/bits/stdio.h:39:1: internal compiler error: Segmentation fault 0xe7cf85 crash_signal ../../gcc/gcc/toplev.c:358 0x95da9e lookup_page_table_entry ../../gcc/gcc/ggc-page.c:650 0x95ebbc ggc_set_mark(void const*) ../../gcc/gcc/ggc-page.c:1531 0x85de40 gt_ggc_mx_lang_tree_node(void*) ./gt-cp-tree.h:236 0xc230d0 gt_ggc_mx_cpp_macro(void*) /work/COMMUNITY-SUBMIT/build-gcc-aarch64/gcc/gtype-desc.c:2993 0x860810 gt_ggc_mx_lang_tree_node(void*) ./gt-cp-tree.h:740 0xe78282 mark_ident ../../gcc/gcc/stringpool.c:167 0x1546050 ht_forall(ht*, int (*)(cpp_reader*, ht_identifier*, void const*), void const*) ../../gcc/libcpp/symtab.c:233 0xe782d4 ggc_mark_stringpool() ../../gcc/gcc/stringpool.c:187 0xb9bcab ggc_mark_roots() ../../gcc/gcc/ggc-common.c:158 0x95fd31 ggc_collect() ../../gcc/gcc/ggc-page.c:2190 0xa0ac4b cgraph_node::finalize_function(tree_node*, bool) ../../gcc/gcc/cgraphunit.c:470 0x8387a4 expand_or_defer_fn(tree_node*) ../../gcc/gcc/cp/semantics.c:4070 0x7afcdc cp_parser_function_definition_after_declarator ../../gcc/gcc/cp/parser.c:23381 0x7afaa7 cp_parser_function_definition_from_specifiers_and_declarator ../../gcc/gcc/cp/parser.c:23285 0x7a3d10 cp_parser_init_declarator ../../gcc/gcc/cp/parser.c:16969 0x79b20f cp_parser_simple_declaration ../../gcc/gcc/cp/parser.c:11541 0x79b001 cp_parser_block_declaration ../../gcc/gcc/cp/parser.c:11422 0x79ad7c cp_parser_declaration ../../gcc/gcc/cp/parser.c:11319 0x79a908 cp_parser_declaration_seq_opt ../../gcc/gcc/cp/parser.c:11205 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions.