[clang] modified AST for SEI redemption project (PR #111705)

[Aaron Ballman via cfe-commits]

================
@@ -177,14 +193,34 @@ class ASTNodeTraverser
     if (!SQT.Quals.hasQualifiers())
       return Visit(SQT.Ty);
 
-    getNodeDelegate().AddChild([=] {
+    // SEI: changed from default label to "qualTypeDetail"
+    getNodeDelegate().AddChild("qualTypeDetail", [this, T] {
       getNodeDelegate().Visit(T);
       Visit(T.split().Ty);
     });
+
+    // SEI function pointer support. this gets called whenever the three
+    // conditions are met:
+    // 1. the function pointer is not typedef'd
+    // 2. after Visit(VarDecl *) gets called
+    // 3. if VarDecl determines this is a function pointer
+    if (T->isFunctionPointerType()) {
+      // create as a child node to this type
----------------
AaronBallman wrote:

```suggestion
    // This gets used whenever the three conditions are met:
    // 1. the function pointer is not typedef'd
    // 2. after Visit(VarDecl *) gets called
    // 3. if VarDecl determines this is a function pointer
    if (T->isFunctionPointerType()) {
      // Create as a child node to this type.
```

https://github.com/llvm/llvm-project/pull/111705