[clang] [LifetimeSafety] Warn on inapplicable [[clang::lifetimebound]] parameters (PR #201101)

[Utkarsh Saxena via cfe-commits]

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@@ -467,6 +468,21 @@ class LifetimeChecker {
     }
   }
 
+  void reportInapplicableLifetimebound() {
+    const auto *FDef = dyn_cast<FunctionDecl>(FD);
+    if (!FDef)
+      return;
+
+    if (FDef->getTemplatedKind() == FunctionDecl::TK_FunctionTemplate ||
+        FDef->getTemplateSpecializationKind() == TSK_ImplicitInstantiation)
+      return;
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usx95 wrote:

nit: consider documenting this.

https://github.com/llvm/llvm-project/pull/201101