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Bump libunwind to llvmorg-16.0.4 #76

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merged 1 commit into from
Jan 25, 2025
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Bump libunwind to llvmorg-16.0.4 #76

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2 changes: 1 addition & 1 deletion UpdateLibunwind
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")"
git diff --exit-code -- . ':(exclude)UpdateLibunwind' > /dev/null || { echo "Commit changes before updating!" ; exit 1 ; }

# https://github.com/llvm/llvm-project/releases
COMMIT="${1:-llvmorg-16.0.3}"
COMMIT="${1:-llvmorg-16.0.4}"

pushd vendor >/dev/null
rm -rf libunwind
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2 changes: 1 addition & 1 deletion vendor/libunwind/llvm/CMakeLists.txt
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Expand Up @@ -22,7 +22,7 @@ if(NOT DEFINED LLVM_VERSION_MINOR)
set(LLVM_VERSION_MINOR 0)
endif()
if(NOT DEFINED LLVM_VERSION_PATCH)
set(LLVM_VERSION_PATCH 3)
set(LLVM_VERSION_PATCH 4)
endif()
if(NOT DEFINED LLVM_VERSION_SUFFIX)
set(LLVM_VERSION_SUFFIX)
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10 changes: 10 additions & 0 deletions vendor/libunwind/llvm/cmake/modules/HandleLLVMOptions.cmake
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Expand Up @@ -582,6 +582,16 @@ if ( LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL" )
add_flag_if_supported("-Werror=unguarded-availability-new" WERROR_UNGUARDED_AVAILABILITY_NEW)
endif( LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL" )

if ( LLVM_COMPILER_IS_GCC_COMPATIBLE )
# LLVM data structures like llvm::User and llvm::MDNode rely on
# the value of object storage persisting beyond the lifetime of the
# object (#24952). This is not standard compliant and causes a runtime
# crash if LLVM is built with GCC and LTO enabled (#57740). Until
# these bugs are fixed, we need to disable dead store eliminations
# based on object lifetime.
add_flag_if_supported("-fno-lifetime-dse" CMAKE_CXX_FLAGS)
endif ( LLVM_COMPILER_IS_GCC_COMPATIBLE )

# Modules enablement for GCC-compatible compilers:
if ( LLVM_COMPILER_IS_GCC_COMPATIBLE AND LLVM_ENABLE_MODULES )
set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
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