tree-sitter: Update parent links on reused injection layers #10978
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When parsing injections, we skip adding a new layer if there is an existing layer covering the same range. When doing so we did not update the parent layer ID, so some layers could have
parent
layer IDs that pointed to a layer that no longer existed in thelayers
HopSlotMap which could cause a panic when usingA-o
.To fix this we update the
parent
pointer for both newly created injection layers and reused ones.Fixes #10974