From 8a213de1a86e5f347c6b591f52712c2fd6177cce Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Tue, 7 Oct 2008 23:35:42 +0000
Subject: [PATCH] A little more tweaking with StmtIterator and
 SizeOfAlignofExpr.  A recent commit actually introduced a regression, not
 fixed a bug.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57282 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AST/Expr.cpp         |  4 ++--
 lib/AST/StmtIterator.cpp | 35 +++++++++++++++++++----------------
 2 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 78d83d8508..6cdaacd689 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -1264,10 +1264,10 @@ Stmt::child_iterator SizeOfAlignOfTypeExpr::child_begin() {
   if (VariableArrayType* T = dyn_cast<VariableArrayType>(Ty.getTypePtr()))
     return child_iterator(T);
   else
-    return child_iterator((VariableArrayType*)0); 
+    return child_iterator(); 
 }
 Stmt::child_iterator SizeOfAlignOfTypeExpr::child_end() {
-  return child_iterator((VariableArrayType*)0); 
+  return child_iterator(); 
 }
 
 // ArraySubscriptExpr
diff --git a/lib/AST/StmtIterator.cpp b/lib/AST/StmtIterator.cpp
index 1b0e9d57c0..46882422e1 100644
--- a/lib/AST/StmtIterator.cpp
+++ b/lib/AST/StmtIterator.cpp
@@ -35,22 +35,25 @@ void StmtIteratorBase::NextVA() {
   p = FindVA(p->getElementType().getTypePtr());
   setVAPtr(p);
 
-  if (!p) {
-    if (inDecl()) {
-      if (VarDecl* VD = dyn_cast<VarDecl>(decl)) 
-        if (VD->Init)
-          return;
-      
-      NextDecl();
-    }
-    else if (inDeclGroup()) {
-      if (VarDecl* VD = dyn_cast<VarDecl>(*DGI)) 
-        if (VD->Init)
-          return;
-      
-      NextDecl();  
-    }
-  } else if (inSizeOfTypeVA()) {
+  if (p)
+    return;
+  
+  if (inDecl()) {
+    if (VarDecl* VD = dyn_cast<VarDecl>(decl)) 
+      if (VD->Init)
+        return;
+    
+    NextDecl();
+  }
+  else if (inDeclGroup()) {
+    if (VarDecl* VD = dyn_cast<VarDecl>(*DGI)) 
+      if (VD->Init)
+        return;
+    
+    NextDecl();  
+  }
+  else {
+    assert (inSizeOfTypeVA());
     assert(!decl);
     RawVAPtr = 0;
   }
-- 
2.40.0