Replace a command line flag with an env var to allow tools to initialize the tracing...

[rust.git] / tests / ui / attributes / log-backtrace.rs

diff --git a/tests/ui/attributes/log-backtrace.rs b/tests/ui/attributes/log-backtrace.rs
index 3979d2001fc5957ae109d6e4bdd9f8b672a6b8b9..e42edf1d4af51ad13062ae292a9ed19a510401b1 100644 (file)
--- a/tests/ui/attributes/log-backtrace.rs
+++ b/tests/ui/attributes/log-backtrace.rs
@@ -1,9 +1,9 @@
 // run-pass
 //
-// This test makes sure that log-backtrace option doesn't give a compilation error.
+// This test makes sure that log-backtrace option at least parses correctly
 //
 // dont-check-compiler-stdout
 // dont-check-compiler-stderr
 // rustc-env:RUSTC_LOG=info
-// compile-flags: -Zlog-backtrace=rustc_metadata::creader
+// rustc-env:RUSTC_LOG_BACKTRACE=rustc_metadata::creader
 fn main() {}