diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -315,12 +315,11 @@ # Note: GCC<10.3 has a bug on SystemZ. # # Note: Clang allows IPO for -fPIC so this optimization is less effective. - # Older Clang may support -fno-semantic-interposition but it used local - # aliases to optimize global variables, which is incompatible with copy - # relocations due to -fno-pic. + # Clang 13 has a bug related to -fsanitize-coverage + # -fno-semantic-interposition (https://reviews.llvm.org/D117183). if ((CMAKE_COMPILER_IS_GNUCXX AND NOT (LLVM_NATIVE_ARCH STREQUAL "SystemZ" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.3)) - OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 13)) + OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 14)) add_flag_if_supported("-fno-semantic-interposition" FNO_SEMANTIC_INTERPOSITION) endif() endif()