[Bug driver/118975] -undef is passed to the linker

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118975 --- Comment #1 from Nate Eldredge --- I should have said, credit to StackOverflow user anol for finding this. https://stackoverflow.com/questions/79457581/gcc-undef-leads-to-cannot-find-entry-symbol-start-defaulting-to-x/79457825#79457825

[Bug driver/118975] New: -undef is passed to the linker

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118975 Bug ID: 118975 Summary: -undef is passed to the linker Product: gcc Version: 14.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: driver

[Bug c++/118927] "double free detected in tcache 2" with import std and -Q (or without -quiet passed to cc1plus)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118927 --- Comment #6 from Nate Eldredge --- After some brief digging, it seems like the problem is that `cxx_printable_name_internal` can be called recursively by `lang_decl_name' (via `announce_function'). This is bad because, with its static ring b

[Bug c++/118927] "double free detected in tcache 2" with import std and -Q

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118927 --- Comment #5 from Nate Eldredge --- Oh, it's actually triggered by the compilation of a-foo.ii itself, but the gcm.cache has to have previously been created. The gcm.cache is too large to post as an attachment, but I can share it another way

[Bug c++/118927] "double free detected in tcache 2" with import std and -Q

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118927 --- Comment #4 from Nate Eldredge --- Note for testing that the compiler doesn't crash when compiling only bits/std.cc, or when a-std.ii and a-foo.ii are concatenated into a single file. It seems to be important that they are passed as separate

[Bug c++/118927] "double free detected in tcache 2" with import std and -Q

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118927 --- Comment #3 from Nate Eldredge --- Created attachment 60527 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60527&action=edit stderr output from compilation

[Bug c++/118927] "double free detected in tcache 2" with import std and -Q

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118927 --- Comment #2 from Nate Eldredge --- Created attachment 60526 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60526&action=edit Preprocessor output for std.cc

[Bug c++/118927] "double free detected in tcache 2" with import std and -Q

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118927 --- Comment #1 from Nate Eldredge --- Created attachment 60525 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60525&action=edit Preprocessor output for foo.cc

[Bug c++/118927] New: "double free detected in tcache 2" with import std and -Q

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118927 Bug ID: 118927 Summary: "double free detected in tcache 2" with import std and -Q Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Pri

[Bug tree-optimization/117742] New: Inefficient code for __builtin_clear_padding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117742 Bug ID: 117742 Summary: Inefficient code for __builtin_clear_padding Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tre

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 --- Comment #7 from Nate Eldredge --- @Jonathan: Done, https://gcc.gnu.org/pipermail/gcc-patches/2023-December/640119.html (sorry, may not be linked to original threads).

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 --- Comment #5 from Nate Eldredge --- Oh wait, disregard that last, I realized that I only applied one of the two patches. Let me try again.

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 --- Comment #4 from Nate Eldredge --- @Jonathan: I think that patch set is on the right track, but it has some other serious bugs. For one, __atomic_wait_address calls __detail::__wait_impl with __args._M_old uninitialized (g++ -O3 -Wall catche

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 --- Comment #2 from Nate Eldredge --- This bug is still present. Tested and reproduced with g++ 13.1.0 (Ubuntu package), and by inspection of the source code, it's still in the trunk as well. Encountered on StackOverflow: https://stackoverflow

[Bug target/110780] New: aarch64 NEON redundant displaced ld3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110780 Bug ID: 110780 Summary: aarch64 NEON redundant displaced ld3 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug target/30527] Use of input/output operands in __asm__ templates not fully documented

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30527 Nate Eldredge changed: What|Removed |Added CC||nate at thatsmathematics dot com --- Co

[Bug target/104110] New: AArch64 unnecessary use of call-preserved register

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104110 Bug ID: 104110 Summary: AArch64 unnecessary use of call-preserved register Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Componen

[Bug target/104039] New: AArch64 Redundant instruction moving general to vector register

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104039 Bug ID: 104039 Summary: AArch64 Redundant instruction moving general to vector register Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal

[Bug other/97473] Spilled function parameters not aligned properly on multiple non-x86 targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97473 --- Comment #2 from Nate Eldredge --- Possibly related to bug 84877 ?

[Bug other/97473] New: Spilled function parameters not aligned properly on multiple non-x86 targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97473 Bug ID: 97473 Summary: Spilled function parameters not aligned properly on multiple non-x86 targets Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: wro