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No, C++ wasn't used for gcc until 4.8 (released 2013). Source: https://gcc.gnu.org/gcc-4.8/changes.html https://gcc.gnu.org/gcc-4.8/changes.html

• sanxiyn 3y ago
  For this reason, maintaining GCC 4.7 is one of long-term high-impact projects of Bootstrappable Builds project. https://bootstrappable.org/projects.html https://bootstrappable.org/projects.html
  • lmk2009 3y ago
    I never understood why one would subject themselves to bootstrap a system using this method instead of simply cross compiling?
    • yjftsjthsd-h 3y ago
      Cross compiling only helps with a subset of uses. If you're doing it for security reasons (to counter the Trusting Trust attack), you aren't coming from another current-edition GCC/clang, you're coming from the simplest compiler you could find.