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diff --git a/cctools/ld64/src/ld/Resolver.cpp b/cctools/ld64/src/ld/Resolver.cpp
index bfb67a3..d5b1c67 100644
--- a/cctools/ld64/src/ld/Resolver.cpp
+++ b/cctools/ld64/src/ld/Resolver.cpp
@@ -1178,9 +1178,10 @@ void Resolver::deadStripOptimize(bool force)
// unset liveness, so markLive() will recurse
(const_cast<ld::Atom*>(atom))->setLive(0);
}
- // <rdar://problem/49468634> if doing LTO, mark all libclang_rt* mach-o atoms as live since the backend may suddenly codegen uses of them
+ // <rdar://problem/49468634> if doing LTO, mark all libclang_rt* mach-o atoms as live since the backend may suddenly codegen uses of them.
+ // Likewise with rust compiler_builtins atoms. They may come from a libcompiler_builtins-<hash>.a lib, or from a compiler_builtins-... member of a rust static library.
else if ( _haveLLVMObjs && !force && (atom->contentType() != ld::Atom::typeLTOtemporary) ) {
- if ( strstr(atom->safeFilePath(), "libclang_rt") != nullptr ) {
+ if ( strstr(atom->safeFilePath(), "libclang_rt") != nullptr || strstr(atom->safeFilePath(), "compiler_builtins") != nullptr ) {
_deadStripRoots.insert(atom);
}
}