diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 426bf68..94a58cc 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -4665,6 +4665,9 @@
     }
   }
 
+  if (OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(E))
+    return GetExprRange(C, OVE->getSourceExpr(), MaxWidth);
+
   if (FieldDecl *BitField = E->getSourceBitField())
     return IntRange(BitField->getBitWidthValue(C),
                     BitField->getType()->isUnsignedIntegerOrEnumerationType());