Set the captures on a CXXRecordDecl representing a lambda closure type
before marking it complete.

No functionality change intended.

Previously committed as c13dd74e311d2ac70dd3ea663d800307d1aa5b6b.
diff --git a/clang/lib/Sema/SemaLambda.cpp b/clang/lib/Sema/SemaLambda.cpp
index b4336aa..e751a73 100644
--- a/clang/lib/Sema/SemaLambda.cpp
+++ b/clang/lib/Sema/SemaLambda.cpp
@@ -1782,6 +1782,8 @@
       CaptureInits.push_back(Init.get());
     }
 
+    Class->setCaptures(Captures);
+
     // C++11 [expr.prim.lambda]p6:
     //   The closure type for a lambda-expression with no lambda-capture
     //   has a public non-virtual non-explicit const conversion function
@@ -1811,7 +1813,6 @@
 
   LambdaExpr *Lambda = LambdaExpr::Create(Context, Class, IntroducerRange,
                                           CaptureDefault, CaptureDefaultLoc,
-                                          Captures,
                                           ExplicitParams, ExplicitResultType,
                                           CaptureInits, EndLoc,
                                           ContainsUnexpandedParameterPack);