Fix `-M` and `--dep` splitting on every = instead of just the first
Before this commit, -Mfoo=bar=baz would be incorrectly split into mod_name: `foo` and root_src_orig: `bar`
After this commit, -Mfoo=bar=baz will be correctly split into mod_name: `foo` and root_src_orig: `bar=baz`
Closes #25059
bc7955306eRyan Liptak committed on 9/1/2025, 2:32:07 AM· committed by Andrew Kelleyparent1ec8a7a