Initialize the AST consumer as soon as we have both an ASTConsumer and an

ASTContext. Fixes some cases where we could previously initialize the AST
consumer more than once.

llvm-svn: 245346

clang/lib/Frontend/ASTMerge.cpp

@@ -59,7 +59,6 @@ void ASTMergeAction::ExecuteAction() {
                          /*MinimalImport=*/false);
 
     TranslationUnitDecl *TU = Unit->getASTContext().getTranslationUnitDecl();
-    CI.getASTConsumer().Initialize(CI.getASTContext());
     for (auto *D : TU->decls()) {
       // Don't re-import __va_list_tag, __builtin_va_list.
       if (const auto *ND = dyn_cast<NamedDecl>(D))