2 files changed, 3 insertions, 0 deletions
diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp
index b33165b8463..a00417a3629 100644
--- a/src/rustllvm/RustWrapper.cpp
+++ b/src/rustllvm/RustWrapper.cpp
@@ -190,6 +190,8 @@ static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
     return Attribute::NonLazyBind;
   case OptimizeNone:
     return Attribute::OptimizeNone;
+  case ReturnsTwice:
+    return Attribute::ReturnsTwice;
   }
   report_fatal_error("bad AttributeKind");
 }
diff --git a/src/rustllvm/rustllvm.h b/src/rustllvm/rustllvm.h
index 933266b4025..a9d267cdb31 100644
--- a/src/rustllvm/rustllvm.h
+++ b/src/rustllvm/rustllvm.h
@@ -85,6 +85,7 @@ enum LLVMRustAttribute {
   SanitizeMemory = 22,
   NonLazyBind = 23,
   OptimizeNone = 24,
+  ReturnsTwice = 25,
 };
 
 typedef struct OpaqueRustString *RustStringRef;