Have the parser initialize Sema before it consumes the first

token. This is important because the first token could actually be
after an #include that triggers a module import, which might use
either Sema or the AST consumer before it would have been initialized.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167423 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 8 insertions, 5 deletions

diff --git a/lib/CodeGen/CodeGenAction.cpp b/lib/CodeGen/CodeGenAction.cpp
index dd32167b84..1c536a6970 100644
--- a/lib/CodeGen/CodeGenAction.cpp
+++ b/lib/CodeGen/CodeGenAction.cpp
@@ -65,9 +65,11 @@ namespace clang {
       TargetOpts(targetopts),
       LangOpts(langopts),
       AsmOutStream(OS),
+      Context(), 
       LLVMIRGeneration("LLVM IR Generation Time"),
       Gen(CreateLLVMCodeGen(Diags, infile, compopts, C)),
-      LinkModule(LinkModule) {
+      LinkModule(LinkModule)
+    {
       llvm::TimePassesIsEnabled = TimePasses;
     }
 
diff --git a/lib/Parse/ParseAST.cpp b/lib/Parse/ParseAST.cpp
index bd4f859521..7d68e1f37e 100644
--- a/lib/Parse/ParseAST.cpp
+++ b/lib/Parse/ParseAST.cpp
@@ -78,7 +78,6 @@ void clang::ParseAST(Sema &S, bool PrintStats, bool SkipFunctionBodies) {
 
   S.getPreprocessor().EnterMainSourceFile();
   P.Initialize();
-  S.Initialize();
 
   // C11 6.9p1 says translation units must have at least one top-level
   // declaration. C++ doesn't have this restriction. We also don't want to
diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index e6b49474f7..7bf4220199 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -470,9 +470,6 @@ void Parser::Initialize() {
   EnterScope(Scope::DeclScope);
   Actions.ActOnTranslationUnitScope(getCurScope());
 
-  // Prime the lexer look-ahead.
-  ConsumeToken();
-
   // Initialization for Objective-C context sensitive keywords recognition.
   // Referenced in Parser::ParseObjCTypeQualifierList.
   if (getLangOpts().ObjC1) {
@@ -527,6 +524,11 @@ void Parser::Initialize() {
     PP.SetPoisonReason(Ident___abnormal_termination,diag::err_seh___finally_block);
     PP.SetPoisonReason(Ident_AbnormalTermination,diag::err_seh___finally_block);
   }
+
+  Actions.Initialize();
+
+  // Prime the lexer look-ahead.
+  ConsumeToken();
 }
 
 namespace {