In 2015, a malicious copy of Xcode, XcodeGhost, also performed a similar attack and infected iOS apps from a dozen of software companies in China. Globally, 4000 apps were found to be affected. It was not a true Thompson Trojan, as it doesn't infect development tools themselves, but it did show toolchain poisoning can indeed cause substantial damages.
https://en.wikipedia.org/wiki/XcodeGhost