[clang] [Clang][OpenMP] Fix the wrong transform of `num_teams` claused introduced in #99732 (PR #102716)

[Shilei Tian via cfe-commits]

https://github.com/shiltian created https://github.com/llvm/llvm-project/pull/102716

None

>From 2850033e440d7c43fcd7bdf55ed05de482697eaa Mon Sep 17 00:00:00 2001
From: Shilei Tian <i at tianshilei.me>
Date: Fri, 9 Aug 2024 23:11:43 -0400
Subject: [PATCH] [Clang][OpenMP] Fix the wrong transform of `num_teams`
 claused introduced in #99732

---
 clang/lib/Sema/TreeTransform.h | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index 8f6f30434af65e..029d6d57319ac0 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -11018,11 +11018,16 @@ TreeTransform<Derived>::TransformOMPAllocateClause(OMPAllocateClause *C) {
 template <typename Derived>
 OMPClause *
 TreeTransform<Derived>::TransformOMPNumTeamsClause(OMPNumTeamsClause *C) {
-  ExprResult E = getDerived().TransformExpr(C->getNumTeams().front());
-  if (E.isInvalid())
-    return nullptr;
+  llvm::SmallVector<Expr *, 3> Vars;
+  Vars.reserve(C->varlist_size());
+  for (auto *VE : C->varlist()) {
+    ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE));
+    if (EVar.isInvalid())
+      return nullptr;
+    Vars.push_back(EVar.get());
+  }
   return getDerived().RebuildOMPNumTeamsClause(
-      E.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc());
+      Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc());
 }
 
 template <typename Derived>