1 files changed, 6 insertions, 0 deletions
diff --git a/src/librustc_codegen_llvm/intrinsic.rs b/src/librustc_codegen_llvm/intrinsic.rs
index b7a410c3760..a8734d338df 100644
--- a/src/librustc_codegen_llvm/intrinsic.rs
+++ b/src/librustc_codegen_llvm/intrinsic.rs
@@ -124,6 +124,7 @@ impl IntrinsicCallMethods<'tcx> for Builder<'a, 'll, 'tcx> {
                 self.call(expect, &[args[0].immediate(), self.const_bool(false)], None)
             }
             "try" => {
+                self.sideeffect();
                 try_intrinsic(self,
                               args[0].immediate(),
                               args[1].immediate(),
@@ -724,6 +725,11 @@ impl IntrinsicCallMethods<'tcx> for Builder<'a, 'll, 'tcx> {
         self.call(expect, &[cond, self.const_bool(expected)], None)
     }
 
+    fn sideeffect(&mut self) {
+        let fnname = self.get_intrinsic(&("llvm.sideeffect"));
+        self.call(fnname, &[], None);
+    }
+
     fn va_start(&mut self, va_list: &'ll Value) -> &'ll Value {
         let intrinsic = self.cx().get_intrinsic("llvm.va_start");
         self.call(intrinsic, &[va_list], None)