introduced a cache for `followAllReferences()` calls by firewave · Pull Request #7192 · cppcheck-opensource/cppcheck

This essentially eliminates any meaningful impact by followAllReferences() at all.

-D__GNUC__ --check-level=exhaustive ../lib/utils.cpp

Clang 19 652,987,030 -> 624,476,510 618,089,977

followAllReferences() calls from isAliasOf() - 350,100 -> 1,581

The example from https://trac.cppcheck.net/ticket/10765#comment:4:

Clang 19 3,056,382,003 -> 2,838,708,731 2,815,165,117

followAllReferences() calls from isAliasOf() - 2,592,565 -> 641