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compiler: always use var_os("RUST_BACKTRACE")

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There are 3 instances of var(...) and 3 instances of var_os(...); the
latter avoids an appearance of unhandled error, so use it everywhere.
This commit is contained in:
Tamir Duberstein 2023-10-06 08:51:30 -04:00
parent d4ba2b4c7c
commit 7654d4b398
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2 changed files with 3 additions and 3 deletions
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2
compiler/rustc_codegen_cranelift/build_system/main.rs
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@ -55,7 +55,7 @@ enum CodegenBackend {
}
fn main() {
if env::var("RUST_BACKTRACE").is_err() {
if env::var_os("RUST_BACKTRACE").is_none() {
env::set_var("RUST_BACKTRACE", "1");
}
env::set_var("CG_CLIF_DISABLE_INCR_CACHE", "1");