find-unneeded-includes: stop proposing internal libstdc++ headers

They wouldn't really compile anyways and only cause unnecessary
blacklist entries.
Some '- memory' entries can already be removed from the blacklists.

Change-Id: Iab53d5a57121f61abe935e712dc23a55390235bf
Reviewed-on: https://gerrit.libreoffice.org/56979
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

1 files changed, 9 insertions, 0 deletions

diff --git a/bin/find-unneeded-includes b/bin/find-unneeded-includes
index b4a2a89e0377..2e3d15f2230c 100755
--- a/bin/find-unneeded-includes
+++ b/bin/find-unneeded-includes
@@ -53,6 +53,15 @@ def ignoreRemoval(include, toAdd, absFileName, moduleRules):
         if include == k and v in toAdd:
             return True
 
+    # Avoid proposing to use libstdc++ internal headers.
+    bits = {
+        "exception": "bits/exception.h",
+        "memory": "bits/shared_ptr.h",
+    }
+    for k, v in bits.items():
+        if include == k and v in toAdd:
+            return True
+
     # Follow boost documentation.
     if include == "boost/optional.hpp" and "boost/optional/optional.hpp" in toAdd:
         return True