[clang] [clang] Infer lifetime_capture_by for STL containers (PR #117122)

[Haojian Wu via cfe-commits]

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@@ -268,6 +268,40 @@ void Sema::inferLifetimeBoundAttribute(FunctionDecl *FD) {
   }
 }
 
+static bool IsPointerLikeType(QualType QT) {
+  QT = QT.getNonReferenceType();
+  if (QT->isPointerType())
+    return true;
+  auto *RD = QT->getAsCXXRecordDecl();
+  if (!RD)
+    return false;
+  RD = RD->getCanonicalDecl();
+  if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(RD))
+    RD = CTSD->getSpecializedTemplate()->getTemplatedDecl();
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hokein wrote:

It’s unclear to me why this case needs to be handled separately, and we already have one in `CheckExprLifetime.cpp`

https://github.com/llvm/llvm-project/pull/117122