[Build] Build libcxx on lldb ASAN/UBSAN bots

Michael137 · Michael137 · commit 7893c8e69b25 · 2023-05-23T17:26:02.000+01:00
The preset for ubsan/asan buildbots include the `buildbot_incremental_base` preset, which builds/runs tests. But the tests now require libcxx to be built since #66018
diff --git a/utils/build-presets.ini b/utils/build-presets.ini
@@ -322,6 +322,7 @@ skip-early-swift-driver
 #===------------------------------------------------------------------------===#
 
 [preset: buildbot_incremental_base]
+libcxx
 test
 validation-test
 lit-args=-v --time-tests
