Patch replacer tool: Bug?

Steps to duplicate:
Use the patch replacer tool at the edge of a frame. Reducing the size of the tool will not allow the tool to be used at the edge of the frame. The tool appears to be constrained by the default size of the tool, not the current size of the tool.
Use the patch replacer tool at the edge of a frame. Reducing the size of the tool will not allow the tool to be used at the edge of the frame. The tool appears to be constrained by the default size of the tool, not the current size of the tool.