06ddccac05
Previously, including `BLI_strict_flags.h` caused compile errors for all shadowed values. Generally, this is fine, but sometimes it may catch more cases than desirable. For example, adding `int U;` in `init_data` in `MOD_correctivesmooth.cc` causes an error because there is the global `U` symbol (user prefs). While not an issue right now, this can cause unexpected compile errors when adding additional includes. I ran into this while working on a tool that adds additional includes automatically as part of its operation. Fortunately, GCC supports a slightly weaker variant of this error: `-Wshadow=local`. This only covers the case we mainly care about where local variables are shadowed by other local variables. Pull Request: https://projects.blender.org/blender/blender/pulls/136389
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