Delete old outputs that are no longer in the Ninja file.
@@ -572,6 +572,7 @@ class NinjaBackend(backends.Backend):
# Refresh Ninja's caches. https://github.com/ninja-build/ninja/pull/1685
if mesonlib.version_compare(self.ninja_version, '>=1.10.2') and os.path.exists('.ninja_deps'):
subprocess.call(self.ninja_command + ['-t', 'restat'])
+ subprocess.call(self.ninja_command + ['-t', 'cleandead'])
self.generate_compdb()
# http://clang.llvm.org/docs/JSONCompilationDatabase.html
