[llvm-bugs] [Bug 151617] Make LLDB compatible with the Python Limited C API

Issue 151617 Summary Make LLDB compatible with the Python Limited C API Labels metaissue, lldb Assignees

[llvm-bugs] [Bug 151602] [Clang] Local class is not nested to a member function in DWARF after optimization

Issue 151602 Summary [Clang] Local class is not nested to a member function in DWARF after optimization Labels clang Assignees

[llvm-bugs] [Bug 151598] [MLIR][lldb-dap][utils] CVE-2025-5889 reported for brace-expansion 1.1.11 and 2.0.1 dependencies

Issue 151598 Summary [MLIR][lldb-dap][utils] CVE-2025-5889 reported for brace-expansion 1.1.11 and 2.0.1 dependencies Labels mlir Assignees

[llvm-bugs] [Bug 151592] Fatal error regression: Assertion `SubregToRegSrcInsts.empty() && "can this happen?"' failed on neoverse-v1 targets.

Issue 151592 Summary Fatal error regression: Assertion `SubregToRegSrcInsts.empty() && "can this happen?"' failed on neoverse-v1 targets. Labels Assignees

[llvm-bugs] [Bug 151584] MLIR Enum Python bindings infinite recursion

Issue 151584 Summary MLIR Enum Python bindings infinite recursion Labels mlir Assignees Reporter n

[llvm-bugs] [Bug 151581] `[[musttail]]` Silently ignored in some cases in conjuction with the `flatten` attribute

Issue 151581 Summary `[[musttail]]` Silently ignored in some cases in conjuction with the `flatten` attribute Labels new issue Assignees

[llvm-bugs] [Bug 151580] [NVPTX] performance regression caused by register splitting/merging combined with `wgmma` instructions.

Issue 151580 Summary [NVPTX] performance regression caused by register splitting/merging combined with `wgmma` instructions. Labels backend:NVPTX

[llvm-bugs] [Bug 151567] [HLSL] Determine the minimal set of passes required to legalize HLSL for DirectX and SPIR-V when compiling with `-O0`

Issue 151567 Summary [HLSL] Determine the minimal set of passes required to legalize HLSL for DirectX and SPIR-V when compiling with `-O0` Labels HLSL, clang:

[llvm-bugs] [Bug 151564] [HLSL] [DirectX] Do not mark functions with `OptimizeNone` when compiling with `-O0`

Issue 151564 Summary [HLSL] [DirectX] Do not mark functions with `OptimizeNone` when compiling with `-O0` Labels new issue Assignees

[llvm-bugs] [Bug 151562] [ice-on-invalid] crash when compiling in-class initialization of constinit static member

Issue 151562 Summary [ice-on-invalid] crash when compiling in-class initialization of constinit static member Labels new issue Assignees

[llvm-bugs] [Bug 151560] [llvm-mc] --mcpu=native not a recognized option

Issue 151560 Summary [llvm-mc] --mcpu=native not a recognized option Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151557] Standalone lld builds don't install symlinks

Issue 151557 Summary Standalone lld builds don't install symlinks Labels lld Assignees Reporter ro

[llvm-bugs] [Bug 151542] [clang][OpenMP] Assertion `(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && "Either LHS or RHS have ba

Issue 151542 Summary [clang][OpenMP] Assertion `(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && "Either LHS or RHS have base decl inside"' fa

[llvm-bugs] [Bug 151531] [clang] UNREACHABLE executed at /root/llvm-project/llvm/tools/clang/lib/Sema/SemaExpr.cpp:14597!

Issue 151531 Summary [clang] UNREACHABLE executed at /root/llvm-project/llvm/tools/clang/lib/Sema/SemaExpr.cpp:14597! Labels clang:frontend, crash

[llvm-bugs] [Bug 151529] [analyzer] Assertion `!isa(S) || S == cast(S)->IgnoreParens()' failed.

Issue 151529 Summary [analyzer] Assertion `!isa(S) || S == cast(S)->IgnoreParens()' failed. Labels clang:static analyzer, crash Assign

[llvm-bugs] [Bug 151526] New dialect flag: -farray-parameters-are-const

Issue 151526 Summary New dialect flag: -farray-parameters-are-const Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151521] Clang front-end crash on compiling lambda

Issue 151521 Summary Clang front-end crash on compiling lambda Labels clang Assignees Reporter oli

[llvm-bugs] [Bug 151512] Suboptimal filling of plain struct with default member initializers

Issue 151512 Summary Suboptimal filling of plain struct with default member initializers Labels new issue Assignees

[llvm-bugs] [Bug 151501] [clang] -Wunreachable-code is unexpectedly triggered by expressions in the `noexcept` operator

Issue 151501 Summary [clang] -Wunreachable-code is unexpectedly triggered by expressions in the `noexcept` operator Labels clang:diagnostics, false-positive

[llvm-bugs] [Bug 151497] [RISCV] Convert interleaved store with tail gaps only into strided segment store

Issue 151497 Summary [RISCV] Convert interleaved store with tail gaps only into strided segment store Labels backend:RISC-V Assignees

[llvm-bugs] [Bug 151476] TableGen compiler points to non-existent line when source is just a single #ifdef (and crashes on one platform)

Issue 151476 Summary TableGen compiler points to non-existent line when source is just a single #ifdef (and crashes on one platform) Labels tablegen

[llvm-bugs] [Bug 151473] When using AArch64 instructions without their feature enabled, clang error is misleading for MTE and SPE

Issue 151473 Summary When using AArch64 instructions without their feature enabled, clang error is misleading for MTE and SPE Labels clang Assigne

[llvm-bugs] [Bug 151468] [Clang] Clang and GCC diverge on parsing `new (std::nothrow_t())`

Issue 151468 Summary [Clang] Clang and GCC diverge on parsing `new (std::nothrow_t())` Labels clang Assignees Repor

[llvm-bugs] [Bug 151467] [clang-tidy][question] Where is run-clang-tidy.py installed on Windows?

Issue 151467 Summary [clang-tidy][question] Where is run-clang-tidy.py installed on Windows? Labels clang-tidy Assignees

[llvm-bugs] [Bug 151465] [Flang] reads d* prefixed strings as floating-point values

Issue 151465 Summary [Flang] reads d* prefixed strings as floating-point values Labels flang Assignees Reporter

[llvm-bugs] [Bug 151459] Convert branch to bnez with EVL tail folding

Issue 151459 Summary Convert branch to bnez with EVL tail folding Labels backend:RISC-V, vectorizers Assignees luke

[llvm-bugs] [Bug 151456] [SLPVectorizer] Instruction does not dominate all uses!.. LLVM ERROR: Broken module found, compilation aborted!

Issue 151456 Summary [SLPVectorizer] Instruction does not dominate all uses!.. LLVM ERROR: Broken module found, compilation aborted! Labels new issue

[llvm-bugs] [Bug 151454] [MLIR]`mlir-runner` crashes when calling `printMemrefI32`

Issue 151454 Summary [MLIR]`mlir-runner` crashes when calling `printMemrefI32` Labels mlir Assignees Reporter

[llvm-bugs] [Bug 151453] [MC][MIPS]`llvm-mc` Crashes with SIGSEGV When Parsing Invalid MIPS beql Instructions with `--arch=mips`

Issue 151453 Summary [MC][MIPS]`llvm-mc` Crashes with SIGSEGV When Parsing Invalid MIPS beql Instructions with `--arch=mips` Labels new issue Assi

[llvm-bugs] [Bug 151451] [Clang] Clang hangs when compiling valid code involving std::thread and lambda with `--std=c++23`

Issue 151451 Summary [Clang] Clang hangs when compiling valid code involving std::thread and lambda with `--std=c++23` Labels clang Assignees

[llvm-bugs] [Bug 151448] clang-tidy 19.1.4 segfaulted once, but was fine in previous and subsequent runs

Issue 151448 Summary clang-tidy 19.1.4 segfaulted once, but was fine in previous and subsequent runs Labels clang-tidy Assignees

[llvm-bugs] [Bug 151439] Backport Wasm Debugging changes to the LLVM 21.x Release

Issue 151439 Summary Backport Wasm Debugging changes to the LLVM 21.x Release Labels new issue Assignees JDevlieghere

[llvm-bugs] [Bug 151438] Handle abstract recipes with EVL tail folding

Issue 151438 Summary Handle abstract recipes with EVL tail folding Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151433] [DX] Objdump support for dumping section listings

Issue 151433 Summary [DX] Objdump support for dumping section listings Labels backend:DirectX Assignees llvm-beanz

[llvm-bugs] [Bug 151432] ICE segfault on pack index in noexcept specifier of generic lambda in requires clause

Issue 151432 Summary ICE segfault on pack index in noexcept specifier of generic lambda in requires clause Labels new issue Assignees

[llvm-bugs] [Bug 151430] [TableGen] ASAN reports use-after-poison in StringInit::get, when used with BumpPtrAllocator

Issue 151430 Summary [TableGen] ASAN reports use-after-poison in StringInit::get, when used with BumpPtrAllocator Labels new issue Assignees

[llvm-bugs] [Bug 151394] [clang][c23] Compatibility of structs containing unnamed structs

Issue 151394 Summary [clang][c23] Compatibility of structs containing unnamed structs Labels clang Assignees Report

[llvm-bugs] [Bug 151392] [LoopVectorize] Assertion `State.TypeAnalysis.inferScalarType(RepRecipe) == Cloned->getType() && "inferred type and type from generated instructions do not match"' failed.

Issue 151392 Summary [LoopVectorize] Assertion `State.TypeAnalysis.inferScalarType(RepRecipe) == Cloned->getType() && "inferred type and type from generated instructions do not match"' failed.

[llvm-bugs] [Bug 151390] Missing optimization for return vector used inside a function.

Issue 151390 Summary Missing optimization for return vector used inside a function. Labels new issue Assignees Repo

[llvm-bugs] [Bug 151375] LLVM 21.1.0: Unable to expand result for ppcf128 with ISD::AssertNoFPClass

Issue 151375 Summary LLVM 21.1.0: Unable to expand result for ppcf128 with ISD::AssertNoFPClass Labels new issue Assignees

[llvm-bugs] [Bug 151371] Nested replacement field in format string fails to compile on Clang + libstdc++

Issue 151371 Summary Nested replacement field in format string fails to compile on Clang + libstdc++ Labels clang Assignees

[llvm-bugs] [Bug 151368] [BOLT] [perf2bolt] PERF2BOLT-ERROR: could not find a profile matching binary "vmlinux"

Issue 151368 Summary [BOLT] [perf2bolt] PERF2BOLT-ERROR: could not find a profile matching binary "vmlinux" Labels BOLT Assignees

[llvm-bugs] [Bug 151344] SPIR-V: Verification errors with struct-returning IR

Issue 151344 Summary SPIR-V: Verification errors with struct-returning IR Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151330] llvm-objdump does not print arguments to sdot

Issue 151330 Summary llvm-objdump does not print arguments to sdot Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151329] [NVPTX] MIR optimizations incorrectly deleting return value register

Issue 151329 Summary [NVPTX] MIR optimizations incorrectly deleting return value register Labels backend:NVPTX Assignees AlexMa

[llvm-bugs] [Bug 151328] [libc++] Regression with std::variant move construction

Issue 151328 Summary [libc++] Regression with std::variant move construction Labels libc++ Assignees Reporter

[llvm-bugs] [Bug 151322] [MLIR] Unexpected inf output from `tosa.rsqrt` on zero input

Issue 151322 Summary [MLIR] Unexpected inf output from `tosa.rsqrt` on zero input Labels mlir Assignees Reporter

[llvm-bugs] [Bug 151321] Flang/MLIR/LLVM build fails with GCC 14 on aarch

Issue 151321 Summary Flang/MLIR/LLVM build fails with GCC 14 on aarch Labels mlir, flang Assignees Repo

[llvm-bugs] [Bug 151314] [mlir][docs] Out of date code in the tutorial "Adding a new Attribute or Type definition"

Issue 151314 Summary [mlir][docs] Out of date code in the tutorial "Adding a new Attribute or Type definition" Labels mlir Assignees

[llvm-bugs] [Bug 151312] [Clang] -Wself-assign should be enabled by default

Issue 151312 Summary [Clang] -Wself-assign should be enabled by default Labels clang:diagnostics Assignees Reporter

[llvm-bugs] [Bug 151305] [MLIR][SVE] Unable to lower code with SVE transforms

Issue 151305 Summary [MLIR][SVE] Unable to lower code with SVE transforms Labels mlir Assignees Reporter

[llvm-bugs] [Bug 151303] [InstCombine] Incorrect fabs + nsz fold

Issue 151303 Summary [InstCombine] Incorrect fabs + nsz fold Labels miscompilation, llvm:instcombine Assignees

[llvm-bugs] [Bug 151299] TableGen backends as plugins

Issue 151299 Summary TableGen backends as plugins Labels enhancement, tablegen Assignees Reporter

[llvm-bugs] [Bug 151296] [RISCV] Check if we still need EVLIndVarSimplifyPass

Issue 151296 Summary [RISCV] Check if we still need EVLIndVarSimplifyPass Labels backend:RISC-V, vectorizers Assignees

[llvm-bugs] [Bug 151290] [BUG][OpenMP][runtime]The OpenMP runtime memory mapping table cannot be properly deleted.

Issue 151290 Summary [BUG][OpenMP][runtime]The OpenMP runtime memory mapping table cannot be properly deleted. Labels new issue Assignees

[llvm-bugs] [Bug 151288] Missing optimizations involving byval arguments passing on x86_64

Issue 151288 Summary Missing optimizations involving byval arguments passing on x86_64 Labels new issue Assignees R

[llvm-bugs] [Bug 151287] [clang-tidy] False positive bugprone-unchecked-optional-access with call to non-const member

Issue 151287 Summary [clang-tidy] False positive bugprone-unchecked-optional-access with call to non-const member Labels clang-tidy Assignees

[llvm-bugs] [Bug 151271] Regression caused by #143096

Issue 151271 Summary Regression caused by #143096 Labels new issue Assignees Reporter tstellar

[llvm-bugs] [Bug 151269] [clang] No way to recognize lambda expression in DWARF

Issue 151269 Summary [clang] No way to recognize lambda _expression_ in DWARF Labels clang Assignees Reporter

[llvm-bugs] [Bug 151250] LTO pipeline crashes when incompatible bitcode gets used in an LTO build

Issue 151250 Summary LTO pipeline crashes when incompatible bitcode gets used in an LTO build Labels crash-on-invalid Assignees

[llvm-bugs] [Bug 151248] Tail merging removes the lines from DWARF line program

Issue 151248 Summary Tail merging removes the lines from DWARF line program Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151247] Failure to install libMLIR.so when LLVM_DYLIBs and TOOLCHAIN_ONLY are enabled

Issue 151247 Summary Failure to install libMLIR.so when LLVM_DYLIBs and TOOLCHAIN_ONLY are enabled Labels new issue Assignees

[llvm-bugs] [Bug 151242] [clang] Accepts-invalid (?) in discarded statement with return type deduction

Issue 151242 Summary [clang] Accepts-invalid (?) in discarded statement with return type deduction Labels clang Assignees

[llvm-bugs] [Bug 151240] `__builtin_dynamic_object_size` does not report size of function argument VLAs

Issue 151240 Summary `__builtin_dynamic_object_size` does not report size of function argument VLAs Labels new issue Assignees

[llvm-bugs] [Bug 151236] `__builtin_dynamic_object_size` of pointer member marked with `counted_by` confused by extra parens

Issue 151236 Summary `__builtin_dynamic_object_size` of pointer member marked with `counted_by` confused by extra parens Labels new issue Assignee

[llvm-bugs] [Bug 151229] Request Commit Access For jriv01

Issue 151229 Summary Request Commit Access For jriv01 Labels infra:commit-access-request Assignees Reporter

[llvm-bugs] [Bug 151222] [flang] DTIO SIGABRT when the input item is namelist.

Issue 151222 Summary [flang] DTIO SIGABRT when the input item is namelist. Labels flang:runtime Assignees Reporter

[llvm-bugs] [Bug 151221] Issue in the last two weeks installing v21 clang-format and clang-tidy

Issue 151221 Summary Issue in the last two weeks installing v21 clang-format and clang-tidy Labels clang-tidy, clang-format Assignees

[llvm-bugs] [Bug 151215] [CI] Upgrade to clang-22 in libc fullbuild tests

Issue 151215 Summary [CI] Upgrade to clang-22 in libc fullbuild tests Labels libc Assignees Reporter

[llvm-bugs] [Bug 151200] [HLSL] Replace `getResourceName` usages with `enumToString`

Issue 151200 Summary [HLSL] Replace `getResourceName` usages with `enumToString` Labels HLSL Assignees Reporter

[llvm-bugs] [Bug 151197] Please backport "[scudo] Make Ptr volatile so that the malloc and free calls are not optimized out" to 21.x

Issue 151197 Summary Please backport "[scudo] Make Ptr volatile so that the malloc and free calls are not optimized out" to 21.x Labels compiler-rt

[llvm-bugs] [Bug 151185] Inlined subroutine should own its call site entries, not the parent subprogram

Issue 151185 Summary Inlined subroutine should own its call site entries, not the parent subprogram Labels debuginfo Assignees

[llvm-bugs] [Bug 151184] [clang] Clang doesn't support parsing Doxygen group comments

Issue 151184 Summary [clang] Clang doesn't support parsing Doxygen group comments Labels clang Assignees Reporter

[llvm-bugs] [Bug 151179] [TableGen] Update LLVM TableGen documentation with some of the common errors and its possible meaning

Issue 151179 Summary [TableGen] Update LLVM TableGen documentation with some of the common errors and its possible meaning Labels new issue Assign

[llvm-bugs] [Bug 151178] [flang] Runtime error with DC editor : Part 2

Issue 151178 Summary [flang] Runtime error with DC editor : Part 2 Labels flang:runtime Assignees Reporter

[llvm-bugs] [Bug 151176] Add support for C style macro expressions in TableGen

Issue 151176 Summary Add support for C style macro expressions in TableGen Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151173] [CIR] Difference while lowering in GEP instruction

Issue 151173 Summary [CIR] Difference while lowering in GEP instruction Labels ClangIR Assignees Reporter

[llvm-bugs] [Bug 151159] [flang][OpenMP] Lowering crashes for composite distribute simd constructs with private clause

Issue 151159 Summary [flang][OpenMP] Lowering crashes for composite distribute simd constructs with private clause Labels flang Assignees

[llvm-bugs] [Bug 151156] [Clang] Fails to diagnose `return; ` in non-void function in class template

Issue 151156 Summary [Clang] Fails to diagnose `return;` in non-void function in class template Labels clang Assignees

[llvm-bugs] [Bug 151146] [clangd][feature request] add hower comments for import statements

Issue 151146 Summary [clangd][feature request] add hower comments for import statements Labels new issue Assignees

[llvm-bugs] [Bug 151144] SimplifyCFG breaks canonical loops even if --keep-loops is requested

Issue 151144 Summary SimplifyCFG breaks canonical loops even if --keep-loops is requested Labels new issue Assignees

[llvm-bugs] [Bug 151138] How to generate 0xFFFFFFFF NAN value using __builtin_nanf

Issue 151138 Summary How to generate 0x NAN value using __builtin_nanf Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151135] Merge via Graphite in rebase loop, probably related to pre-merge CI

Issue 151135 Summary Merge via Graphite in rebase loop, probably related to pre-merge CI Labels infrastructure Assignees

[llvm-bugs] [Bug 151133] Request Commit Access For PrasoonMishra

Issue 151133 Summary Request Commit Access For PrasoonMishra Labels infra:commit-access-request Assignees Reporter

[llvm-bugs] [Bug 151128] Incorrect compiler flags are passed to GCC when cross compiling BOLT from x86_64 to aarch64

Issue 151128 Summary Incorrect compiler flags are passed to GCC when cross compiling BOLT from x86_64 to aarch64 Labels BOLT Assignees

[llvm-bugs] [Bug 151127] [regression, libcxx, C++26] __cpp_lib_filesystem is not available in libc++ until is included

Issue 151127 Summary [regression, libcxx, C++26] __cpp_lib_filesystem is not available in libc++ until is included Labels libc++ Assignees

[llvm-bugs] [Bug 151126] [Clang] `constexpr` `std::string` fails to compile

Issue 151126 Summary [Clang] `constexpr` `std::string` fails to compile Labels clang Assignees Reporter

[llvm-bugs] [Bug 151119] clang crashes at -O1 and above on x86_64-linux-gnu: Assertion `hasUseList()' failed

Issue 151119 Summary clang crashes at -O1 and above on x86_64-linux-gnu: Assertion `hasUseList()' failed Labels clang Assignees

[llvm-bugs] [Bug 151113] [clang] Unnecessary instantiations of `constexpr` functions in `if constexpr (false)`

Issue 151113 Summary [clang] Unnecessary instantiations of `constexpr` functions in `if constexpr (false)` Labels clang Assignees

[llvm-bugs] [Bug 151104] Why does LLVM generate select ... -1 ... before operator new[] when array size < 1

Issue 151104 Summary Why does LLVM generate select ... -1 ... before operator new[] when array size < 1 Labels new issue Assignees

[llvm-bugs] [Bug 151102] Clang format produces code which does not compile with clang

Issue 151102 Summary Clang format produces code which does not compile with clang Labels clang Assignees Reporter

[llvm-bugs] [Bug 151081] LLVM 21.1.0-rc1 C++ Standard Library Compatibility Issues

Issue 151081 Summary LLVM 21.1.0-rc1 C++ Standard Library Compatibility Issues Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151080] [AVR] Induction variable not found (missed optimization)

Issue 151080 Summary [AVR] Induction variable not found (missed optimization) Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151078] Checked range of variables is forgotten after a slightly non-trivial condition

Issue 151078 Summary Checked range of variables is forgotten after a slightly non-trivial condition Labels new issue Assignees

[llvm-bugs] [Bug 151072] [Clang] Segmentation fault in CXXNameMangler::mangleName due to infinite recursion

Issue 151072 Summary [Clang] Segmentation fault in CXXNameMangler::mangleName due to infinite recursion Labels clang Assignees

[llvm-bugs] [Bug 151068] Request Commit Access For satyajanga

Issue 151068 Summary Request Commit Access For satyajanga Labels infra:commit-access-request Assignees Reporter

[llvm-bugs] [Bug 151047] [CodeGen] Assertion failure in MachineInstr::setDebugValueUndef during BranchFolder optimization

Issue 151047 Summary [CodeGen] Assertion failure in MachineInstr::setDebugValueUndef during BranchFolder optimization Labels new issue Assignees

[llvm-bugs] [Bug 151045] Scripted Interface affordances should have a uniform way to report script errors

Issue 151045 Summary Scripted Interface affordances should have a uniform way to report script errors Labels lldb Assignees

[llvm-bugs] [Bug 151043] Additional missing known bits info for x * x

Issue 151043 Summary Additional missing known bits info for x * x Labels new issue Assignees Reporter

[llvm-bugs] [Bug 151031] [flang] Building flang on Macs requires manually passing a flag with path to runtime libraries

Issue 151031 Summary [flang] Building flang on Macs requires manually passing a flag with path to runtime libraries Labels flang Assignees

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