#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
using namespace dwarf;
+// Disabled by default because it hits bug 17350 in GNU ld (gold is fine)
+static cl::opt<bool>
+ EnableStructorCOMDAT("enable-structor-comdat", cl::Hidden,
+ cl::desc("Use comdats to keep only one copy of a "
+ "constructor/destructor invocation"),
+ cl::init(false));
+
//===----------------------------------------------------------------------===//
// ELF
//===----------------------------------------------------------------------===//
bool IsCtor,
unsigned Priority,
const MCSymbol *KeySym) {
+ if (!EnableStructorCOMDAT)
+ KeySym = nullptr;
+
std::string Name;
unsigned Type;
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE;