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[Clang] Segmentation fault when Building WebKitGTK with Thin LTO and mold

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

Status: Open.

Bug

#143539 In llvm/llvm-project;

· zyxhere opened on Jun 10, 2025

Cross language lto fails in presence of C++ destructor

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

#141038 In llvm/llvm-project;

· HKalbasi opened on May 22, 2025

[LLVM] LTO usage errors incorrectly reported to the user as crashes/bugs

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

Bug

#140953 In llvm/llvm-project;

· bd1976bris opened on May 21, 2025

Compiler crash

llvm:crash

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

Bug

#140217 In llvm/llvm-project;

· flirjakob opened on May 16, 2025

Cannot reproduce object on one architecture by cross-compiling on another with -flto=thin

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

#139995 In llvm/llvm-project;

· iskunk opened on May 15, 2025

Crash when using --lto-whole-program-visibility

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

Bug

#139802 In llvm/llvm-project;

· bgemmill opened on May 13, 2025

[lld][ThinLTO][Arm] Spurious (?) "linking two modules of different target triples" when mixing Thumb and Armv8.2

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

#137219 In llvm/llvm-project;

· Sentimentron opened on Apr 24, 2025

lto and optimised out symbols

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#136493 In llvm/llvm-project;

· ilobilo opened on Apr 20, 2025

[lld] Non-compact (DWARF) unwind data emission is broken on MacOS if LTO is in use

lld:MachO

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

miscompilation

Status: Open.

#135888 In llvm/llvm-project;

· duk-37 opened on Apr 16, 2025

not_tail_called interaction with LTO and merging of decls on LTO

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

#133754 In llvm/llvm-project;

· pinskia opened on Mar 31, 2025

Ubuntu LLD 21.0.0 crash

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

incompleteIssue not complete (e.g. missing a reproducer, build arguments, etc.)Issue not complete (e.g. missing a reproducer, build arguments, etc.)

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

Bug

#133523 In llvm/llvm-project;

· bemerguy opened on Mar 28, 2025

[Clang][AMDGPU] Compiler crash when generating alias to a global with LTO enabled

confirmedVerified by a second partyVerified by a second party

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

Status: Open.

Bug

#133312 In llvm/llvm-project;

· jhuber6 opened on Mar 27, 2025