https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85033
Bug ID: 85033
Summary: internal compiler error: in fold_offsetof_1, at
c-family/c-common.c:6269
Product: gcc
Version: 8.0.1
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: vegard.nossum at oracle dot com
CC: webrown.cpp at gmail dot com
Target Milestone: ---
Input:
int b = __builtin_offsetof(struct { enum { a }; }, a)
Output:
$ cc1plus
<stdin>:1:53: internal compiler error: in fold_offsetof_1, at
c-family/c-common.c:6269
0x1502073 fold_offsetof_1(tree_node*, tree_code)
/home/vegard/git/gcc/gcc/c-family/c-common.c:6269
0x1504a82 fold_offsetof(tree_node*)
/home/vegard/git/gcc/gcc/c-family/c-common.c:6280
0xf38c24 cp_parser_builtin_offsetof
/home/vegard/git/gcc/gcc/cp/parser.c:9897
0xf38c24 cp_parser_primary_expression
/home/vegard/git/gcc/gcc/cp/parser.c:5396
0xf7698b cp_parser_postfix_expression
/home/vegard/git/gcc/gcc/cp/parser.c:7030
0xf2a4b7 cp_parser_unary_expression
/home/vegard/git/gcc/gcc/cp/parser.c:8322
0xebfeca cp_parser_cast_expression
/home/vegard/git/gcc/gcc/cp/parser.c:9090
0xec24f6 cp_parser_binary_expression
/home/vegard/git/gcc/gcc/cp/parser.c:9191
0xec62ca cp_parser_assignment_expression
/home/vegard/git/gcc/gcc/cp/parser.c:9486
0xecc0a3 cp_parser_constant_expression
/home/vegard/git/gcc/gcc/cp/parser.c:9770
0xed334e cp_parser_initializer_clause
/home/vegard/git/gcc/gcc/cp/parser.c:21916
0xedc293 cp_parser_initializer
/home/vegard/git/gcc/gcc/cp/parser.c:21856
0xfa0f3d cp_parser_init_declarator
/home/vegard/git/gcc/gcc/cp/parser.c:19677
0xfa57a7 cp_parser_simple_declaration
/home/vegard/git/gcc/gcc/cp/parser.c:13065
0xfab998 cp_parser_block_declaration
/home/vegard/git/gcc/gcc/cp/parser.c:12883
0xffead5 cp_parser_declaration
/home/vegard/git/gcc/gcc/cp/parser.c:12780
0xff5b8b cp_parser_declaration_seq_opt
/home/vegard/git/gcc/gcc/cp/parser.c:12656
0xff71b3 cp_parser_translation_unit
/home/vegard/git/gcc/gcc/cp/parser.c:4561
0xff71b3 c_parse_file()
/home/vegard/git/gcc/gcc/cp/parser.c:38995
0x15a3a25 c_common_parse_file()
/home/vegard/git/gcc/gcc/c-family/c-opts.c:1132
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Version:
GNU C++14 (GCC) version 8.0.1 20180306 (experimental) (x86_64-pc-linux-gnu)
Seems to go back to 4.1.2.
cc1 prints this instead:
<stdin>:1:47: warning: declaration does not declare anything
<stdin>:1:9: error: 'struct <anonymous>' has no member named 'a'
<stdin>:1:44: error: expected ',' or ';' at end of input
