Bug 1782344 - Fix the handling of "called for link" data in ccache 4.4+. r=firefox-build-system-reviewers,ahochheiden

Differential Revision: https://phabricator.services.mozilla.com/D166632

python/mozbuild/mozbuild/controller/building.py

@@ -902,7 +902,7 @@ class CCacheStats(object):
         ),
         ("cache_miss", "Summary/Misses"),
         ("error", "Summary/Errors"),
-        ("linking", "Uncacheable/Called for linking"),
+        ("link", "Uncacheable/Called for linking"),
         ("preprocessing", "Uncacheable/Called for preprocessing"),
         ("failed", "Uncacheable/Compilation failed"),
         ("preprocessor_error", "Uncacheable/Preprocessing failed"),

python/mozbuild/mozbuild/test/controller/test_ccachestats.py

@@ -695,6 +695,7 @@ Uncacheable:
             "cache hit (preprocessed)               719\n"
             "cache hit rate                           9\n"
             "cache miss                            8427\n"
+            "called for link                        569\n"
             "called for preprocessing               110\n"
             "compile failed                          49\n"
             "ccache internal error                    1\n"