Function rustc::session::config::dbsetters::external_macro_backtrace[][src]

pub fn external_macro_backtrace(
    cg: &mut DebuggingOptions,
    v: Option<&str>
) -> bool
🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?