[clang-tools-extra] Disable -Wsuggest-override for unittests/

This avoids massive warning spam due to the unit tests' use of gtest and gmock, which do not use the 'override' keyword in their sources.

Differential Revision: https://reviews.llvm.org/D84213

diff --git a/clang-tools-extra/unittests/CMakeLists.txt b/clang-tools-extra/unittests/CMakeLists.txt
index 086a68e..751827c 100644 (file)
--- a/clang-tools-extra/unittests/CMakeLists.txt
+++ b/clang-tools-extra/unittests/CMakeLists.txt
@@ -5,6 +5,10 @@ function(add_extra_unittest test_dirname)
   add_unittest(ExtraToolsUnitTests ${test_dirname} ${ARGN})
 endfunction()
 
+if (CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG)
+  add_definitions("-Wno-suggest-override")
+endif()
+
 add_subdirectory(clang-apply-replacements)
 add_subdirectory(clang-change-namespace)
 add_subdirectory(clang-doc)