diff options
-rw-r--r-- | clang-tools-extra/clangd/Selection.cpp | 2 | ||||
-rw-r--r-- | clang-tools-extra/unittests/clangd/SelectionTests.cpp | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/clang-tools-extra/clangd/Selection.cpp b/clang-tools-extra/clangd/Selection.cpp index 2c2fd476072..d1ea30e7ede 100644 --- a/clang-tools-extra/clangd/Selection.cpp +++ b/clang-tools-extra/clangd/Selection.cpp @@ -51,7 +51,7 @@ public: // - those that can't be stored in DynTypedNode. // We're missing some interesting things like Attr due to the latter. bool TraverseDecl(Decl *X) { - if (isa<TranslationUnitDecl>(X)) + if (X && isa<TranslationUnitDecl>(X)) return Base::TraverseDecl(X); // Already pushed by constructor. return traverseNode(X, [&] { return Base::TraverseDecl(X); }); } diff --git a/clang-tools-extra/unittests/clangd/SelectionTests.cpp b/clang-tools-extra/unittests/clangd/SelectionTests.cpp index 88406b6331e..2322a0e6a54 100644 --- a/clang-tools-extra/unittests/clangd/SelectionTests.cpp +++ b/clang-tools-extra/unittests/clangd/SelectionTests.cpp @@ -176,6 +176,16 @@ TEST(SelectionTest, CommonAncestor) { // Node types that have caused problems in the past. {"template <typename T> void foo() { [[^T]] t; }", "TypeLoc"}, + + // No crash + { + R"cpp( + template <class T> struct Foo {}; + template <[[template<class> class /*cursor here*/^U]]> + struct Foo<U<int>*> {}; + )cpp", + "TemplateTemplateParmDecl" + }, }; for (const Case &C : Cases) { Annotations Test(C.Code); |