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-rw-r--r--llvm/lib/CodeGen/LLVMTargetMachine.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LLVMTargetMachine.cpp b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
index af05dbc..3192dcad 100644
--- a/llvm/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
@@ -264,6 +264,9 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx,
"Cannot emit MC with limited codegen pipeline");
Ctx = &MMIWP->getMMI().getContext();
+ // libunwind is unable to load compact unwind dynamically, so we must generate
+ // DWARF unwind info for the JIT.
+ Options.MCOptions.EmitDwarfUnwind = EmitDwarfUnwindType::Always;
if (Options.MCOptions.MCSaveTempLabels)
Ctx->setAllowTemporaryLabels(false);