---

yaml
---
r: 349182
b: refs/heads/master-next
c: a3e26ab
h: refs/heads/master

Author: xedin

[refs]

@@ -1,6 +1,6 @@
 ---
 refs/heads/master: 3574c513bbc5578dd9346b4ea9ab5995c5927bb5
-refs/heads/master-next: 2120a31cf0eefb3b641aba7279c948718339d3ac
+refs/heads/master-next: a3e26abd8afb4ebdf666bd5321e00bdb8d4a5db1
 refs/tags/osx-passed: b6b74147ef8a386f532cf9357a1bde006e552c54
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-a: 6bb18e013c2284f2b45f5f84f2df2887dc0f7dea
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-b: 66d897bfcf64a82cb9a87f5e663d889189d06d07

branches/master-next/lib/Sema/CSSimplify.cpp

@@ -847,6 +847,11 @@ class ArgumentFailureTracker : public MatchCallArgumentListener {
         CS.getConstraintLocator(argLoc),
         TVO_CanBindToInOut | TVO_CanBindToLValue | TVO_CanBindToNoEscape);
 
+    CS.recordHole(argType);
+    CS.addUnsolvedConstraint(Constraint::create(
+        CS, ConstraintKind::Defaultable, argType, CS.getASTContext().TheAnyType,
+        CS.getConstraintLocator(argLoc)));
+
     Arguments.push_back(param.withType(argType));
     ++NumSynthesizedArgs;