[clangd] Fix an assertion failure in Selection.
Summary:
The assertion is triggered when the Decl is null.
Details for the assertion:
F0207 09:55:09.069385 47308 logging.cc:84] assert.h assertion failed at llvm/include/llvm/Support/Casting.h:105 in static bool llvm::isa_impl_cl<clang::TranslationUnitDecl, const clang:: Decl *>::doit(const From *) [To = clang::TranslationUnitDecl, From = const clang::Decl *]: Val && "isa<> used on a null pointer"
15 *** Check failure stack trace: ***
19 @ 0x55615c1f7e06 __assert_fail
20 @ 0x55615a6297d8 clang::clangd::(anonymous namespace)::SelectionVisitor::TraverseDecl()
21 @ 0x55615a62f48d clang::RecursiveASTVisitor<>::TraverseTemplateTemplateParmDecl()
22 @ 0x55615a62b264 clang::RecursiveASTVisitor<>::TraverseDecl()
23 @ 0x55615a62979c clang::clangd::(anonymous namespace)::SelectionVisitor::TraverseDecl()
24 @ 0x55615a63060c clang::RecursiveASTVisitor<>::TraverseClassTemplatePartialSpecializationDecl()
25 @ 0x55615a62ae45 clang::RecursiveASTVisitor<>::TraverseDecl()
Reviewers: sammccall
Subscribers: javed.absar, kristof.beyls, ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D57879
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@353421 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed
