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CFG_RELEASE is mandatory, no need for option_env

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The same file already contains another env!("CFG_RELEASE") on line 632,
so it's impossible for this crate to compile without CFG_RELEASE set.
This commit is contained in:
David Tolnay 2023-10-24 18:04:45 -07:00
parent fd8907f9cf
commit 51f7fbab92
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1 changed files with 1 additions and 2 deletions
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3
compiler/rustc_attr/src/builtin.rs
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@ -25,8 +25,7 @@ use crate::session_diagnostics::{self, IncorrectReprFormatGenericCause};
pub const VERSION_PLACEHOLDER: &str = "CURRENT_RUSTC_VERSION"; pub const VERSION_PLACEHOLDER: &str = "CURRENT_RUSTC_VERSION";
pub fn rust_version_symbol() -> Symbol { pub fn rust_version_symbol() -> Symbol {
let version = option_env!("CFG_RELEASE").unwrap_or("<current>"); Symbol::intern(env!("CFG_RELEASE"))
Symbol::intern(&version)
} }
pub fn is_builtin_attr(attr: &Attribute) -> bool { pub fn is_builtin_attr(attr: &Attribute) -> bool {