Currently, `-DLLVM_DISTRIBUTION_COMPONENTS="flang-module-interfaces"` doesn't work. It failed to build the Fortran builtin/intrinsic modules as distribution build, `install-distribution`. This PR is to fix that.
Currently, `-DLLVM_DISTRIBUTION_COMPONENTS="flang-module-interfaces"` doesn't work. It failed to build the Fortran builtin/intrinsic modules as distribution build, `install-distribution`. This PR is to fix that.