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update comment re: not using higher mir-opt-level

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This commit is contained in:
Ralf Jung 2019-11-04 11:17:40 +01:00
parent 727e77844e
commit 9b4ceec60e
1 changed files with 2 additions and 3 deletions
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5
tests/compiletest.rs
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@ -66,9 +66,8 @@ fn compile_fail(path: &str, target: &str, opt: bool) {
let mut flags = Vec::new();
if opt {
// Optimizing too aggressivley makes UB detection harder, but test at least
// the default value.
// FIXME: Opt level 3 ICEs during stack trace generation.
// FIXME: Opt level 2 ICEs during stack trace generation.
// See https://github.com/rust-lang/rust/issues/66077.
flags.push("-Zmir-opt-level=1".to_owned());
}