[Bug libstdc++/106852] Implement C++23 P2465R3 Standard Library Modules std and std.compat

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106852 --- Comment #4 from Boris Kolpackov --- FWIW, this project contains a subset of module interface files that (reportedly) can be used to build a (probably incomplete) `std` module with `libstdc++` using Clang (the README says it requires

[Bug c++/115062] New: [modules] internal compiler error: in simplify_aggr_init_exp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115062 Bug ID: 115062 Summary: [modules] internal compiler error: in simplify_aggr_init_exp Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal

[Bug c++/113400] Internal compiler error: Segmentation fault, regression in 13.2.1 compared to 13.2.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113400 --- Comment #2 from Boris Kolpackov --- Created attachment 57084 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57084=edit Reproducer

[Bug c++/113400] Internal compiler error: Segmentation fault, regression in 13.2.1 compared to 13.2.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113400 --- Comment #1 from Boris Kolpackov --- Created attachment 57083 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57083=edit Reproducer

[Bug c++/113400] New: Internal compiler error: Segmentation fault, regression in 13.2.1 compared to 13.2.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113400 Bug ID: 113400 Summary: Internal compiler error: Segmentation fault, regression in 13.2.1 compared to 13.2.0 Product: gcc Version: 13.2.1 Status: UNCONFIRMED

[Bug c++/110417] New: [modules] Segfault compiling iostream as header unit on FreeBSD

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110417 Bug ID: 110417 Summary: [modules] Segfault compiling iostream as header unit on FreeBSD Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal

[Bug c++/110213] Bogus (as opposed to false positive) -Wdangling-reference warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110213 --- Comment #1 from Boris Kolpackov --- Created attachment 55304 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55304=edit reproducer

[Bug c++/110213] New: Bogus (as opposed to false positive) -Wdangling-reference warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110213 Bug ID: 110213 Summary: Bogus (as opposed to false positive) -Wdangling-reference warning Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal

[Bug c++/107532] [13 Regression] -Werror=dangling-reference false positives in libcamera-0.0.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107532 Boris Kolpackov changed: What|Removed |Added CC||boris at kolpackov dot net ---

[Bug c++/110153] New: [modules] Static module mapper format cannot handle header unit paths with spaces

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110153 Bug ID: 110153 Summary: [modules] Static module mapper format cannot handle header unit paths with spaces Product: gcc Version: 13.0 Status: UNCONFIRMED

[Bug preprocessor/109534] -fdirectives-only does not work with assembler-with-cpp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109534 --- Comment #7 from Boris Kolpackov --- BTW, my understanding of the rationale for the original patch (the one that forces -fno-directives-only) is to paper over some underlying issue with -fdirectives-only when used on .S files, potentially

[Bug preprocessor/109534] -fdirectives-only does not work with assembler-with-cpp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109534 --- Comment #6 from Boris Kolpackov --- > The documentation says specifically-fdirectives-only is ignored if > -fpreprocessed is supplied. Hm, that's not how it works, IME. Specifically, just "-fpreprocessed" means the source code is fully

[Bug preprocessor/109534] -fdirectives-only does not work with assembler-with-cpp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109534 --- Comment #4 from Boris Kolpackov --- Thanks for the link to the patch submission though I find the "-fdirectives-only option is incompatible with assembly" statement puzzling. > So from what I understand this part is what you want: > > -

[Bug c/109534] New: -fdirectives-only does not work with assembler-with-cpp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109534 Bug ID: 109534 Summary: -fdirectives-only does not work with assembler-with-cpp Product: gcc Version: 12.2.0 Status: UNCONFIRMED Severity: normal

[Bug preprocessor/84583] -fdirectives-only does not handle CRLF properly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84583 Boris Kolpackov changed: What|Removed |Added Version|10.2.0 |12.2.0 --- Comment #2 from Boris

[Bug c++/107555] Never constructed object destroyed during exception handling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107555 --- Comment #6 from Boris Kolpackov --- I was under the impression that only something runnable would be useful, but if all that's need is a preprocessed translation unit, then that's no problem at all. I've also attached the translation unit

[Bug c++/107555] Never constructed object destroyed during exception handling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107555 --- Comment #5 from Boris Kolpackov --- Created attachment 53850 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53850=edit Preprocessed translation unit with workaround

[Bug c++/107555] Never constructed object destroyed during exception handling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107555 --- Comment #4 from Boris Kolpackov --- Created attachment 53849 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53849=edit Preprocessed translation unit

[Bug c++/107555] Never constructed object destroyed during exception handling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107555 --- Comment #2 from Boris Kolpackov --- There is a way to reproduce it but it requires building the actual source code rather than a minimal reproducer. It's not that difficult. Should I provide the instructions?

[Bug c++/107555] New: Never constructed object destroyed during exception handling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107555 Bug ID: 107555 Summary: Never constructed object destroyed during exception handling Product: gcc Version: 12.2.0 Status: UNCONFIRMED Severity: normal

[Bug c/107448] New: GCC no longer diagnoses missing input file with -MG

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107448 Bug ID: 107448 Summary: GCC no longer diagnoses missing input file with -MG Product: gcc Version: 12.2.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug sanitizer/64234] Statically sanitized executable does not export ASan symbols

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64234 Boris Kolpackov changed: What|Removed |Added CC||boris at kolpackov dot net ---

[Bug sanitizer/101978] thread sanitizer false positive when condition variable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101978 Boris Kolpackov changed: What|Removed |Added CC||boris at kolpackov dot net ---

[Bug c++/98417] ICE when using C++ modules and -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98417 --- Comment #3 from Boris Kolpackov --- I also no longer see this with GCC 12.0.1 20220421.

[Bug c++/103524] [meta-bug] modules issue

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 98760, which changed state. Bug 98760 Summary: [modules] ICE in add_module_decl https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98760 What|Removed |Added

[Bug c++/98760] [modules] ICE in add_module_decl

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98760 Boris Kolpackov changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug c++/105329] New: Bogus restrict warning when assigning 1-char string literal to std::string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105329 Bug ID: 105329 Summary: Bogus restrict warning when assigning 1-char string literal to std::string Product: gcc Version: 12.0 Status: UNCONFIRMED Severity:

[Bug c++/105327] New: Bogus use-after-free warning new in GCC 12

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105327 Bug ID: 105327 Summary: Bogus use-after-free warning new in GCC 12 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug libstdc++/86164] std::regex crashes when matching long lines

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86164 Boris Kolpackov changed: What|Removed |Added CC||boris at kolpackov dot net ---

[Bug c++/84583] -fdirectives-only does not handle CRLF properly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84583 Boris Kolpackov changed: What|Removed |Added Component|preprocessor|c++ Version|7.2.0

[Bug c++/101361] New: Bogus -Wstringop-overread warning with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101361 Bug ID: 101361 Summary: Bogus -Wstringop-overread warning with -O3 Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug preprocessor/101298] New: Inclusion of a file without trailing newline breaks -fdirectives-only

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101298 Bug ID: 101298 Summary: Inclusion of a file without trailing newline breaks -fdirectives-only Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity:

[Bug tree-optimization/100115] Bogus -Wmaybe-uninitialized warning with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100115 --- Comment #2 from Boris Kolpackov --- > I'm trying to reduce the test case to something manageable but that can take > many hours, even days. Right. On our side we have spent hours, even days trying to suppress this warning (both by

[Bug c++/100115] New: Bogus -Wmaybe-uninitialized warning with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100115 Bug ID: 100115 Summary: Bogus -Wmaybe-uninitialized warning with -O3 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/99377] [modules] undefined std::string_view::empty() if referenced in inline exported function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99377 Boris Kolpackov changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug c++/98760] [modules] ICE in add_module_decl

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98760 --- Comment #2 from Boris Kolpackov --- This still reproduces as of 11.0.1 20210304 (f3641ac70e) though the location has changed: hello.cxx:18:25: internal compiler error: in lookup_mark, at cp/tree.c:2403 18 | o << format_hello (n) <<

[Bug c++/99051] [modules] ICE/SIGSEGV in get_location_from_adhoc_loc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99051 --- Comment #1 from Boris Kolpackov --- As of 11.0.1 20210304 (f3641ac70e) this no longer reproduces for me.

[Bug c++/99380] New: [modules] Unexpected MODULE-EXPORT request when partially preprocessing header unit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99380 Bug ID: 99380 Summary: [modules] Unexpected MODULE-EXPORT request when partially preprocessing header unit Product: gcc Version: 11.0 Status: UNCONFIRMED

[Bug c++/99072] [modules] Compiling header unit with partial preprocessing (-E -fdirectives-only) twice causes CRC mismatch

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99072 --- Comment #8 from Boris Kolpackov --- Can confirm works for me, thanks!

[Bug c++/98741] [modules] ICE/SIGSEGV reading compiled module cluster

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98741 --- Comment #4 from Boris Kolpackov --- Can confirm works for me, thanks!

[Bug c++/99377] New: [modules] undefined std::string_view::empty() if referenced in inline exported function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99377 Bug ID: 99377 Summary: [modules] undefined std::string_view::empty() if referenced in inline exported function Product: gcc Version: 11.0 Status: UNCONFIRMED

[Bug c++/98718] [modules] use of partitions causes ICE in write_macro_maps

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98718 --- Comment #7 from Boris Kolpackov --- Can confirm works for me, thanks!

[Bug c++/99023] [modules] ICE/SIGSEGV in module_state::write_define

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99023 --- Comment #5 from Boris Kolpackov --- Can confirm works for me, thanks!

[Bug c++/99072] [modules] Compiling header unit with partial preprocessing (-E -fdirectives-only) twice causes CRC mismatch

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99072 --- Comment #4 from Boris Kolpackov --- You need to use different .ii file names on the first and second header unit builds. Using your original command lines as a reference: # first build of header-unit devvm1702:45>./xg++ [...] -o 99072_a.ii

[Bug c++/99072] [modules] Compiling header unit with partial preprocessing (-E -fdirectives-only) twice causes CRC mismatch

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99072 --- Comment #2 from Boris Kolpackov --- This has something to do with a different .ii file name the second time we compile the header. Try to make this change to your command lines (notice .so before .ii): # second build of string

[Bug c++/99050] [modules] ICE in cpp_directive_only_process on include translation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99050 --- Comment #2 from Boris Kolpackov --- Can confirm now works for me, thanks!

[Bug c++/99072] New: [modules] Compiling header unit with partial preprocessing (-E -fdirectives-only) twice causes CRC mismatch

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99072 Bug ID: 99072 Summary: [modules] Compiling header unit with partial preprocessing (-E -fdirectives-only) twice causes CRC mismatch Product: gcc Version: 11.0

[Bug c++/99051] New: [modules] ICE/SIGSEGV in get_location_from_adhoc_loc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99051 Bug ID: 99051 Summary: [modules] ICE/SIGSEGV in get_location_from_adhoc_loc Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug preprocessor/98882] [11 Regression] ICE in in cpp_directive_only_process on empty translation unit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98882 --- Comment #8 from Boris Kolpackov --- Done, bug 99050.

[Bug c++/99050] New: [modules] ICE in cpp_directive_only_process on include translation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99050 Bug ID: 99050 Summary: [modules] ICE in cpp_directive_only_process on include translation Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug c++/99000] [modules] declaration std::__copy_move_a2 conflicts with import

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99000 --- Comment #2 from Boris Kolpackov --- Thanks for pointing this out. Am I correct in interpreting the SUSPENDED status as unlikely to be fixed for GCC 11?

[Bug c++/99023] New: [modules] ICE/SIGSEGV in module_state::write_define

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99023 Bug ID: 99023 Summary: [modules] ICE/SIGSEGV in module_state::write_define Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug c++/99000] New: [modules] declaration std::__copy_move_a2 conflicts with import

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99000 Bug ID: 99000 Summary: [modules] declaration std::__copy_move_a2 conflicts with import Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug preprocessor/98882] [11 Regression] ICE in in cpp_directive_only_process on empty translation unit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98882 --- Comment #6 from Boris Kolpackov --- After this change I now get an ICE (that same assert) when partially preprocessing (-E -fdirectives-only) a TU that has an include directive that is translated to an import: cat

[Bug middle-end/98753] -Wfree-nonheap-object on unreachable code with -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98753 --- Comment #14 from Boris Kolpackov --- If this cannot be fixed for 11 (and judging by the age of 54202 I feel it's not likely), perhaps it makes sense not to enable this warning by default? Now that C++ operator delete() is covered by this

[Bug middle-end/98753] -Wfree-nonheap-object on unreachable code with -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98753 --- Comment #13 from Boris Kolpackov --- Created attachment 50081 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50081=edit Reproducer test-simplified.cxx

[Bug middle-end/98753] -Wfree-nonheap-object on unreachable code with -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98753 --- Comment #12 from Boris Kolpackov --- Created attachment 50080 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50080=edit Reproducer test.cxx

[Bug middle-end/98753] -Wfree-nonheap-object on unreachable code with -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98753 Boris Kolpackov changed: What|Removed |Added CC||boris at kolpackov dot net ---

[Bug c++/98882] New: ICE in in cpp_directive_only_process on empty translation unit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98882 Bug ID: 98882 Summary: ICE in in cpp_directive_only_process on empty translation unit Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug c++/98761] [modules] use of a module causes SIGSEGV at runtime

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98761 --- Comment #1 from Boris Kolpackov --- Created attachment 50011 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50011=edit Reproducer

[Bug c++/98761] New: [modules] use of a module causes SIGSEGV at runtime

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98761 Bug ID: 98761 Summary: [modules] use of a module causes SIGSEGV at runtime Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug c++/98760] [modules] ICE in add_module_decl

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98760 --- Comment #1 from Boris Kolpackov --- Created attachment 50009 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50009=edit Reproducer

[Bug c++/98760] New: [modules] ICE in add_module_decl

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98760 Bug ID: 98760 Summary: [modules] ICE in add_module_decl Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/98741] New: [modules] ICE/SIGSEGV reading compiled module cluster

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98741 Bug ID: 98741 Summary: [modules] ICE/SIGSEGV reading compiled module cluster Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug c++/98718] [modules] use of partitions causes ICE in write_macro_maps

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98718 --- Comment #1 from Boris Kolpackov --- Perhaps this is the same bug but with a simpler reproducer (it points to the same location): cat

[Bug c++/98720] New: [modules] update __cpp_modules value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98720 Bug ID: 98720 Summary: [modules] update __cpp_modules value Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/98719] [modules] translating importable standard headers causes various ICEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98719 --- Comment #1 from Boris Kolpackov --- Created attachment 49991 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49991=edit build transcript

[Bug c++/98719] New: [modules] translating importable standard headers causes various ICEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98719 Bug ID: 98719 Summary: [modules] translating importable standard headers causes various ICEs Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug c++/98718] New: [modules] use of partitions causes ICE in write_macro_maps

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98718 Bug ID: 98718 Summary: [modules] use of partitions causes ICE in write_macro_maps Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug c++/98417] ICE when using C++ modules and -g

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98417 Boris Kolpackov changed: What|Removed |Added CC||boris at kolpackov dot net ---