Revert r88718, which does NOT solve the constructor-template-as-copy-constructor issue. Big thanks to John for finding this

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88724 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateDeduction.cpp b/lib/Sema/SemaTemplateDeduction.cpp
index fcec654..244bb37 100644
--- a/lib/Sema/SemaTemplateDeduction.cpp
+++ b/lib/Sema/SemaTemplateDeduction.cpp
@@ -1286,7 +1286,7 @@
   for (unsigned I = 0, N = Deduced.size(); I != N; ++I) {
     if (Deduced[I].isNull()) {
       Info.Param = makeTemplateParameter(
-                          const_cast<NamedDecl *>(TemplateParams->getParam(I)));
+                            const_cast<NamedDecl *>(TemplateParams->getParam(I)));
       return TDK_Incomplete;
     }