[llvm-bugs] [Bug 149250] [VectorCombine] Implement shrinkSplatShuffle from InstCombine

Issue 149250 Summary [VectorCombine] Implement shrinkSplatShuffle from InstCombine Labels new issue Assignees Repor

[llvm-bugs] [Bug 149240] possible false-positive clang-analyzer-cplusplus.PlacementNew

Issue 149240 Summary possible false-positive clang-analyzer-cplusplus.PlacementNew Labels false-positive Assignees

[llvm-bugs] [Bug 149236] false-positive clang-analyzer-cplusplus.NewDeleteLeaks on allocation owned by temporary initialized by a default argument

Issue 149236 Summary false-positive clang-analyzer-cplusplus.NewDeleteLeaks on allocation owned by temporary initialized by a default argument Labels false-positive

[llvm-bugs] [Bug 149230] [WebAssembly] Teach backend that loadv128 is good under -msimd

Issue 149230 Summary [WebAssembly] Teach backend that loadv128 is good under -msimd Labels new issue Assignees Repo

[llvm-bugs] [Bug 149222] [flang] Error-prone representation of large common symbols

Issue 149222 Summary [flang] Error-prone representation of large common symbols Labels flang Assignees Reporter

[llvm-bugs] [Bug 149188] [Clang] Error on an `enable_if` attribute in `ADT/StringRef.h` in C++23 mode

Issue 149188 Summary [Clang] Error on an `enable_if` attribute in `ADT/StringRef.h` in C++23 mode Labels clang:frontend, regression, rejects-valid

[llvm-bugs] [Bug 149185] Diagnose vertical white space in single line comments

Issue 149185 Summary Diagnose vertical white space in single line comments Labels clang:frontend, clang:diagnostics Assignees

[llvm-bugs] [Bug 149180] [DirectX] Crash in DXILLegalizePass.cpp on legalizeLoadStoreOnArrayAllocas

Issue 149180 Summary [DirectX] Crash in DXILLegalizePass.cpp on legalizeLoadStoreOnArrayAllocas Labels backend:DirectX Assignees

[llvm-bugs] [Bug 149179] [DirectX] Crash in DXILFlattenArrays.cpp in visitGetElementPtrInst

Issue 149179 Summary [DirectX] Crash in DXILFlattenArrays.cpp in visitGetElementPtrInst Labels backend:DirectX Assignees Icohed

[llvm-bugs] [Bug 149164] [flang] Runtime failure with stream formatted I/O

Issue 149164 Summary [flang] Runtime failure with stream formatted I/O Labels flang:runtime Assignees Reporter

[llvm-bugs] [Bug 149161] clang-tidy complains on ignoring [[maybe_unused]] return values

Issue 149161 Summary clang-tidy complains on ignoring [[maybe_unused]] return values Labels Assignees Reporter

[llvm-bugs] [Bug 149155] Missed optimization when copying large object to multiple targets

Issue 149155 Summary Missed optimization when copying large object to multiple targets Labels new issue Assignees R

[llvm-bugs] [Bug 149154] [infra] Making a change to third-party/benchmark/src/sysinfo.cc caused nothing to be built in CI

Issue 149154 Summary [infra] Making a change to third-party/benchmark/src/sysinfo.cc caused nothing to be built in CI Labels infrastructure Assign

[llvm-bugs] [Bug 149152] clang-tidy: false positive readability-convert-member-functions-to-static to overloaded method

Issue 149152 Summary clang-tidy: false positive readability-convert-member-functions-to-static to overloaded method Labels clang-tidy, false-positive

[llvm-bugs] [Bug 149151] Should --param stdlib=libstdc++ imply --param enable_experimental=False ?

Issue 149151 Summary Should --param stdlib=libstdc++ imply --param enable_experimental=False ? Labels new issue Assignees

[llvm-bugs] [Bug 149145] Backport MCP documentation to release 21

Issue 149145 Summary Backport MCP documentation to release 21 Labels Assignees JDevlieghere Reporter

[llvm-bugs] [Bug 149144] clang assertion failure at O2 "Assertion `(PDiffI->getUnitInc() >= 0) == (PNew >= POld) && "PSet overflow/underflow"' failed."

Issue 149144 Summary clang assertion failure at O2 "Assertion `(PDiffI->getUnitInc() >= 0) == (PNew >= POld) && "PSet overflow/underflow"' failed." Labels Ass

[llvm-bugs] [Bug 149131] Request Commit Access For krishna2803

Issue 149131 Summary Request Commit Access For krishna2803 Labels infra:commit-access-request Assignees Reporter

[llvm-bugs] [Bug 149130] [clang][x86-64] Assertion failure in CastInst::Create (“Invalid cast!”)

ipt. Stack dump: 0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk-20250716/bin/clang-22 -cc1 -triple x86_64-unknown-linux-gnu -O2 -emit-obj -dumpdir /app/output.s- -disable-free -clear-ast-before-backend -main-file-name example.c -mrelocation-model pic -pic-level 2 -pic-is-pie -mfram

[llvm-bugs] [Bug 149127] [DXIL][HLSL] Apply `dx.precise` to operations when `-Gis` is applied

Issue 149127 Summary [DXIL][HLSL] Apply `dx.precise` to operations when `-Gis` is applied Labels backend:DirectX, HLSL Assignees

[llvm-bugs] [Bug 149118] [clang][x86-64] Assertion failure in LValue::addUnsizedArray (“…isPointerType() || …isArrayType()”)

0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk-20250716/bin/clang-22 -cc1 -triple x86_64-unknown-linux-gnu -O2 -emit-obj -dumpdir /app/output.s- -disable-free -clear-ast-before-backend -main-file-name example.c -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=non

[llvm-bugs] [Bug 149116] C++23's consteval if crashes Clang Static Analyzer

Issue 149116 Summary C++23's consteval if crashes Clang Static Analyzer Labels bug, clang:static analyzer, crash, c++23

[llvm-bugs] [Bug 149111] [clang][x86-64] Assertion failure in InitListExpr::getInit (“Initializer access out of range!”)

preprocessed source, and associated run script. Stack dump: 0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk-20250716/bin/clang-22 -cc1 -triple x86_64-unknown-linux-gnu -O2 -emit-obj -dumpdir /app/output.s- -disable-free -clear-ast-before-backend -main-file-name example.c -mrelocat

[llvm-bugs] [Bug 149109] [clang][x86-64] Assertion failure in SelectionDAGBuilder::visitInlineAsm (“ConstraintID != InlineAsm::ConstraintCode::Unknown”)

om/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk-20250716/bin/clang-22 -cc1 -triple x86_64-unknown-linux-gnu -O2 -emit-obj -dumpdir /app/output.s- -disable-fre

[llvm-bugs] [Bug 149108] builtin causing strange errno corruption for function named reallocarray

Issue 149108 Summary builtin causing strange errno corruption for function named reallocarray Labels new issue Assignees

[llvm-bugs] [Bug 149105] [clang] Semantics of `__attribute__((used))` differ from GCC

Issue 149105 Summary [clang] Semantics of `__attribute__((used))` differ from GCC Labels clang Assignees Reporter

[llvm-bugs] [Bug 149103] [compiler-rt]use of undeclared identifier 'TCGETS'

Issue 149103 Summary [compiler-rt]use of undeclared identifier 'TCGETS' Labels new issue Assignees Reporter

[llvm-bugs] [Bug 149097] [WebAssembly] Assertion failure at -O0

Issue 149097 Summary [WebAssembly] Assertion failure at -O0 Labels backend:WebAssembly, crash Assignees

[llvm-bugs] [Bug 149094] LLVM 21 seemingly assumes that `strlen` is present even if libc is not linked

Issue 149094 Summary LLVM 21 seemingly assumes that `strlen` is present even if libc is not linked Labels regression, llvm Assignees

[llvm-bugs] [Bug 149092] [AArch64] STPQi: Bad machine code: Using an undefined physical register

Issue 149092 Summary [AArch64] STPQi: Bad machine code: Using an undefined physical register Labels backend:AArch64 Assignees

[llvm-bugs] [Bug 149091] Option `--thinlto-emit-index-files` potentially generates huge filenames

Issue 149091 Summary Option `--thinlto-emit-index-files` potentially generates huge filenames Labels new issue Assignees

[llvm-bugs] [Bug 149089] [flang][OpenMP] Crash with Fujitsu 0489_0129

Issue 149089 Summary [flang][OpenMP] Crash with Fujitsu 0489_0129 Labels flang:openmp Assignees Reporter

[llvm-bugs] [Bug 149086] [WebAssembly] Could C++ EH avoid `catch_ref` and `throw_ref`?

Issue 149086 Summary [WebAssembly] Could C++ EH avoid `catch_ref` and `throw_ref`? Labels new issue Assignees Repor

[llvm-bugs] [Bug 149083] [WebAssembly] Is there a way to enable standard exception handling in clang?

Issue 149083 Summary [WebAssembly] Is there a way to enable standard exception handling in clang? Labels clang Assignees

[llvm-bugs] [Bug 149081] [mlir][bufferization] Typo in to_tensor op's summary field

Issue 149081 Summary [mlir][bufferization] Typo in to_tensor op's summary field Labels mlir Assignees Reporter

[llvm-bugs] [Bug 149080] [clang-cuda] clang segfaults when trying to convert a float to a 128 bit integer on device

Issue 149080 Summary [clang-cuda] clang segfaults when trying to convert a float to a 128 bit integer on device Labels cuda Assignees

[llvm-bugs] [Bug 149078] [clang] Compiling empty file traps ubsan

Issue 149078 Summary [clang] Compiling empty file traps ubsan Labels clang Assignees Reporter tbae

[llvm-bugs] [Bug 149073] x86-64 optimization: (x <= 0xFFFFF) in '-Os' mode can convert to ((x >> 20) == 0)

Issue 149073 Summary x86-64 optimization: (x <= 0xF) in '-Os' mode can convert to ((x >> 20) == 0) Labels new issue Assignees

[llvm-bugs] [Bug 149041] [Clang] -Winvalid-constexpr misbehaves in C++23 mode

Issue 149041 Summary [Clang] -Winvalid-constexpr misbehaves in C++23 mode Labels clang:frontend, regression, rejects-valid, constexpr

[llvm-bugs] [Bug 149040] [LLVM-COV] Exiting in callee causes incorrect cov in caller

Issue 149040 Summary [LLVM-COV] Exiting in callee causes incorrect cov in caller Labels new issue Assignees Reporte

[llvm-bugs] [Bug 149034] [AArch64] SMIN: Bad machine code: Using an undefined physical register

Issue 149034 Summary [AArch64] SMIN: Bad machine code: Using an undefined physical register Labels backend:AArch64 Assignees

[llvm-bugs] [Bug 149032] Bug[clangd]:Clangd cannot start

Issue 149032 Summary Bug[clangd]:Clangd cannot start Labels new issue Assignees Reporter WangZhong