https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99879
Bug ID: 99879
Summary: [modules] ICE in open
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: alexander.lelyakin at googlemail dot com
Target Milestone: ---
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header memory
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header climits
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header cmath
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header source_location
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header shared_mutex
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header set
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header bit
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header functional
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header queue
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header iomanip
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header syncstream
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header unordered_set
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header forward_list
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header semaphore
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header
condition_variable
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header cstring
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header istream
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header iostream
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header future
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header thread
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header typeinfo
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header latch
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header ratio
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header cerrno
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header ios
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header csignal
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header regex
----
In module imported at /usr/local/include/c++/11.0.1/regex:53:
/usr/local/include/c++/11.0.1/cstring: note: unable to represent further
imported source locations
/usr/local/include/c++/11.0.1/regex:53: internal compiler error: in open, at
cp/module.cc:13625
53 | #include <cstring>
|
0x6de0f9 loc_spans::open(unsigned int)
../../gcc/gcc/cp/module.cc:13625
0xa61915 preprocess_module(module_state*, unsigned int, bool, bool, bool,
cpp_reader*)
../../gcc/gcc/cp/module.cc:19417
0xa2b82f module_token_filter::resume(int, int, tree_node*, unsigned int)
../../gcc/gcc/cp/lex.c:520
0xa2b82f module_token_lang(int, int, tree_node*, unsigned int, unsigned long)
../../gcc/gcc/cp/lex.c:557
0xadf873 cp_lexer_new_main
../../gcc/gcc/cp/parser.c:660
0xadf873 c_parse_file()
../../gcc/gcc/cp/parser.c:45253
0xc0480d c_common_parse_file()
../../gcc/gcc/c-family/c-opts.c:1218
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.
----
g++ (GCC) 11.0.1 20210401 (experimental)
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