4 files changed, 3 insertions, 2 deletions
diff --git a/llvm/utils/gn/secondary/clang-tools-extra/clangd/BUILD.gn b/llvm/utils/gn/secondary/clang-tools-extra/clangd/BUILD.gn
index b609d4a..f8c4838 100644
--- a/llvm/utils/gn/secondary/clang-tools-extra/clangd/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang-tools-extra/clangd/BUILD.gn
@@ -122,6 +122,7 @@ static_library("clangd") {
     "SemanticHighlighting.cpp",
     "SemanticSelection.cpp",
     "SourceCode.cpp",
+    "SymbolDocumentation.cpp",
     "SystemIncludeExtractor.cpp",
     "TUScheduler.cpp",
     "TidyProvider.cpp",
diff --git a/llvm/utils/gn/secondary/clang/test/BUILD.gn b/llvm/utils/gn/secondary/clang/test/BUILD.gn
index ed68387..020e35e 100644
--- a/llvm/utils/gn/secondary/clang/test/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/test/BUILD.gn
@@ -60,7 +60,6 @@ write_lit_config("lit_site_cfg") {
     "CLANG_VENDOR_UTI=org.llvm.clang",
     "ENABLE_BACKTRACES=1",
     "ENABLE_SHARED=0",
-    "LLVM_EXPERIMENTAL_KEY_INSTRUCTIONS=0",
     "LLVM_EXTERNAL_LIT=",
     "LLVM_HOST_TRIPLE=$llvm_current_triple",
     "LLVM_INCLUDE_SPIRV_TOOLS_TESTS=0",
diff --git a/llvm/utils/gn/secondary/llvm/test/BUILD.gn b/llvm/utils/gn/secondary/llvm/test/BUILD.gn
index 08cddc1..aaac823 100644
--- a/llvm/utils/gn/secondary/llvm/test/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/test/BUILD.gn
@@ -65,7 +65,6 @@ write_lit_config("lit_site_cfg") {
     "LLVM_ENABLE_FFI=0",
     "LLVM_ENABLE_HTTPLIB=0",
     "LLVM_ENABLE_PROFCHECK=0",
-    "LLVM_EXPERIMENTAL_KEY_INSTRUCTIONS=0",
     "LLVM_FORCE_VC_REVISION=",
     "LLVM_HAS_LOGF128=0",
     "LLVM_HAVE_OPT_VIEWER_MODULES=0",
diff --git a/llvm/utils/lit/lit/llvm/config.py b/llvm/utils/lit/lit/llvm/config.py
index 649636d..b04fb25 100644
--- a/llvm/utils/lit/lit/llvm/config.py
+++ b/llvm/utils/lit/lit/llvm/config.py
@@ -107,6 +107,8 @@ class LLVMConfig(object):
             features.add("system-solaris")
         elif platform.system() == "OS/390":
             features.add("system-zos")
+        elif sys.platform == "cygwin":
+            features.add("system-cygwin")
 
         # Native compilation: host arch == default triple arch
         # Both of these values should probably be in every site config (e.g. as