When building clang with lld, we don't get a default mlinker-version [1]. This causes us to not pass -lto_library to ld64 [2].
Explicitly pass -mlinker-version=133 so we properly pass -lto_library to ld64 and don't get LLVM bitcode version mismatches due to LTO.
[1] https://github.com/llvm/llvm-project/blob/
55ae180a4cb7fc68b3ac153f07752c8c6a2d92f0/clang/CMakeLists.txt#L345
[2] https://github.com/llvm/llvm-project/blob/
55ae180a4cb7fc68b3ac153f07752c8c6a2d92f0/clang/lib/Driver/ToolChains/Darwin.cpp#L262-L270
// RUN: %clangxx_asan -DPART=0 -c %s -o %t-1.o -flto -mllvm -asan-use-private-alias
// RUN: %clangxx_asan -DPART=1 -c %s -o %t-2.o -flto -mllvm -asan-use-private-alias
-// RUN: %clangxx_asan %t-1.o %t-2.o -o %t -flto
+// RUN: %clangxx_asan %t-1.o %t-2.o -o %t -flto -mlinker-version=133
// RUN: %run %t 2>&1 | FileCheck %s
#include <stdio.h>