Function llvm_sys::lto::lto_codegen_set_should_internalize

pub unsafe extern "C" fn lto_codegen_set_should_internalize(
    cg: lto_code_gen_t,
    ShouldInternalize: lto_bool_t
)

Sets if we should run the itnernalize pass during optimization and code generation.

Added in LLVM 3.7.