Fixed a bug that caused the AST importer to erroneously
import incomplete definitions for RecordDecls and then
mark the resulting definition as complete.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 33935c3..933375b 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -1835,7 +1835,7 @@
   
   if (RecordDecl *FromRecord = dyn_cast<RecordDecl>(FromD)) {
     if (RecordDecl *ToRecord = cast_or_null<RecordDecl>(ToD)) {
-      if (FromRecord->getDefinition() && !ToRecord->getDefinition()) {
+      if (FromRecord->getDefinition() && FromRecord->isCompleteDefinition() && !ToRecord->getDefinition()) {
         ImportDefinition(FromRecord, ToRecord);
       }
     }