Merge commit 'df05babc9606' from llvm.org/main into next

Author: git apple-llvm automerger

llvm/utils/gn/secondary/clang-tools-extra/clangd/support/BUILD.gn

@@ -17,6 +17,7 @@ static_library("support") {
     "MemoryTree.cpp",
     "Path.cpp",
     "Shutdown.cpp",
+    "ThreadCrashReporter.cpp",
     "Threading.cpp",
     "ThreadsafeFS.cpp",
     "Trace.cpp",

llvm/utils/gn/secondary/clang-tools-extra/clangd/unittests/BUILD.gn

@@ -106,6 +106,7 @@ unittest("ClangdTests") {
     "TestIndex.cpp",
     "TestTU.cpp",
     "TestWorkspace.cpp",
+    "ThreadCrashReporterTests.cpp",
     "TidyProviderTests.cpp",
     "TypeHierarchyTests.cpp",
     "URITests.cpp",