Fixing the differentiability_witness_inlining.sil test

ematejska · ematejska · commit fac70ef46099 · 2020-04-11T21:03:06.000-07:00
diff --git a/test/AutoDiff/SILOptimizer/differentiability_witness_inlining.sil b/test/AutoDiff/SILOptimizer/differentiability_witness_inlining.sil
@@ -2,6 +2,7 @@
 
 sil_stage raw
 
+import _Differentiation
 import Swift
 import Builtin
 
