Revert "Remove duplicates while merging fixes"

This reverts commit f72373e.

industrial_ci/src/tests/merge_fixes.py

@@ -20,36 +20,20 @@
 import sys
 
 
-def key(item):
-   name = item.get("DiagnosticName")
-   msg = item.get("DiagnosticMessage")
-   file = msg.get("FilePath")
-   offset = msg.get("FileOffset")
-   return name, file, offset
-
 def merge_fixes(files):
    """Merge all fixes files into mergefile"""
    # The fixes suggested by clang-tidy >= 4.0.0 are given under
    # the top level key 'Diagnostics' in the output yaml files
    mergefile = files[0]
    mergekey = "Diagnostics"
    merged = []
-   seen = set()  # efficiently remember fixes already inserted
-
-   def have(x):
-      k = key(x)
-      return k in seen or seen.add(k)
-
-   def unique(seq):
-      return [x for x in seq if not have(x)]
-
    for file in files:
       try:
          with open(file, 'r') as inp:
             content = yaml.safe_load(inp)
             if not content:
                continue  # Skip empty files.
-            merged.extend(unique(content.get(mergekey, [])))
+            merged.extend(content.get(mergekey, []))
       except FileNotFoundError:
          pass