https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104471
Bug ID: 104471
Summary: ICE with -nostdinc: NULL directory in find_file
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Affects versions down to at least r5 :
(related to pr80753 and pr80755)
$ cat z1.c
#if __has_include (<stdlib.h>)
#endif
$ gcc-12-20220206 -c z1.c -nostdinc
z1.c:1:20: error: no include path in which to search for stdlib.h
1 | #if __has_include (<stdlib.h>)
| ^~~~~~~~~~
cc1: internal compiler error: NULL directory in find_file
0x7c8de2 c_cpp_diagnostic(cpp_reader*, cpp_diagnostic_level,
cpp_warning_reason, rich_location*, char const*, __va_list_tag (*) [1])
../../gcc/c-family/c-common.cc:6670
0x1e12599 cpp_error_at(cpp_reader*, cpp_diagnostic_level, unsigned int, char
const*, ...)
../../libcpp/errors.cc:302
0x1e17833 _cpp_find_file
../../libcpp/files.cc:516
0x1e18eba _cpp_has_header
../../libcpp/files.cc:2149
0x1e284f7 builtin_has_include
../../libcpp/macro.cc:429
0x1e284f7 _cpp_builtin_macro_text
../../libcpp/macro.cc:677
0x1e28769 builtin_macro
../../libcpp/macro.cc:762
0x1e25e73 enter_macro_context
../../libcpp/macro.cc:1588
0x1e27b60 cpp_get_token_1
../../libcpp/macro.cc:3018
0x1e149a4 _cpp_parse_expr
../../libcpp/expr.cc:1334
0x1e0eb43 do_if
../../libcpp/directives.cc:2060
0x1e10450 _cpp_handle_directive
../../libcpp/directives.cc:557
0x1e20c88 _cpp_lex_token
../../libcpp/lex.cc:3410
0x1e279ff cpp_get_token_1
../../libcpp/macro.cc:2930
0x7e553d c_lex_with_flags(tree_node**, unsigned int*, unsigned char*, int)
../../gcc/c-family/c-lex.cc:483
0x74bb81 c_lex_one_token
../../gcc/c/c-parser.cc:279
0x788454 c_parser_peek_token(c_parser*)
../../gcc/c/c-parser.cc:483
0x788454 c_parse_file()
../../gcc/c/c-parser.cc:23317
0x7f7812 c_common_parse_file()
../../gcc/c-family/c-opts.cc:1238
