[clang] [llvm] Support for assume directive : Parse & AST modules (PR #97535)

[Alexey Bataev via cfe-commits]

================
@@ -488,6 +488,49 @@ class Parser : public CodeCompletionHandler {
   /// a statement expression and builds a suitable expression statement.
   StmtResult handleExprStmt(ExprResult E, ParsedStmtContext StmtCtx);
 
+  class AssumeParseAssociatedStmtRAII {
+    Parser *parent;
+    OpenMPDirectiveKind DKind;
+
+  public:
+    AssumeParseAssociatedStmtRAII(Parser *parent, SourceLocation Loc,
+                                  OpenMPDirectiveKind DKind)
+        : parent(parent), DKind(DKind) {
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alexey-bataev wrote:

```suggestion
    AssumeParseAssociatedStmtRAII(Parser &Parent, SourceLocation Loc,
                                  OpenMPDirectiveKind DKind)
        : Parent(Parent), DKind(DKind) {
```

https://github.com/llvm/llvm-project/pull/97535