[PATCH] D135257: [clangd][Tweak] Make sure enclosing function doesnt have invalid children

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet created this revision.
kadircet added a reviewer: hokein.
Herald added a subscriber: arphaman.
Herald added a project: All.
kadircet requested review of this revision.
Herald added subscribers: cfe-commits, MaskRay, ilya-biryukov.
Herald added a project: clang-tools-extra.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D135257

Files:
  clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp


Index: clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
===================================================================
--- clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
+++ clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
@@ -248,6 +248,13 @@
       // FIXME: Support extraction from templated functions.
       if (Func->isTemplated())
         return nullptr;
+      for (const auto *S : Func->getBody()->children()) {
+        // During apply phase, we perform semantic analysis (e.g. figure out
+        // what variables requires hoisting). We cannot perform those when the
+        // body has invalid statements, so fail up front.
+        if (!S)
+          return nullptr;
+      }
       return Func;
     }
   }


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