[PATCH] D68630: [clangd] Disable expand auto on decltype(auto)

[Ilya Biryukov via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG1b36caf45e5e: [clangd] Disable expand auto on decltype(auto) (authored by ilya-biryukov).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68630/new/

https://reviews.llvm.org/D68630

Files:
  clang-tools-extra/clangd/refactor/tweaks/ExpandAutoType.cpp
  clang-tools-extra/clangd/unittests/TweakTests.cpp


Index: clang-tools-extra/clangd/unittests/TweakTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/TweakTests.cpp
+++ clang-tools-extra/clangd/unittests/TweakTests.cpp
@@ -528,6 +528,8 @@
   // replace array types
   EXPECT_EQ(apply(R"cpp(au^to x = "test")cpp"),
             R"cpp(const char * x = "test")cpp");
+
+  EXPECT_UNAVAILABLE("dec^ltype(au^to) x = 10;");
 }
 
 TWEAK_TEST(ExtractFunction);
Index: clang-tools-extra/clangd/refactor/tweaks/ExpandAutoType.cpp
===================================================================
--- clang-tools-extra/clangd/refactor/tweaks/ExpandAutoType.cpp
+++ clang-tools-extra/clangd/refactor/tweaks/ExpandAutoType.cpp
@@ -61,7 +61,9 @@
   if (auto *Node = Inputs.ASTSelection.commonAncestor()) {
     if (auto *TypeNode = Node->ASTNode.get<TypeLoc>()) {
       if (const AutoTypeLoc Result = TypeNode->getAs<AutoTypeLoc>()) {
-        CachedLocation = Result;
+        // Code in apply() does handle 'decltype(auto)' yet.
+        if (!Result.getTypePtr()->isDecltypeAuto())
+          CachedLocation = Result;
       }
     }
   }


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