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Protect error handler fields with single lock

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This avoids concurrency-related bugs when locks are acquired for too
short a time and similar cases.
This commit is contained in:
Mark Rousskov 2019-09-07 12:09:52 -04:00
parent 2a767eec0c
commit 4cc5aaada2
2 changed files with 214 additions and 142 deletions
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6
src/librustc/session/config/tests.rs
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@ -87,7 +87,7 @@ fn test_can_print_warnings() {
let registry = errors::registry::Registry::new(&[]);
let (sessopts, _) = build_session_options_and_crate_config(&matches);
let sess = build_session(sessopts, None, registry);
assert!(!sess.diagnostic().flags.can_emit_warnings);
assert!(!sess.diagnostic().can_emit_warnings());
});
syntax::with_default_globals(|| {
@ -97,7 +97,7 @@ fn test_can_print_warnings() {
let registry = errors::registry::Registry::new(&[]);
let (sessopts, _) = build_session_options_and_crate_config(&matches);
let sess = build_session(sessopts, None, registry);
assert!(sess.diagnostic().flags.can_emit_warnings);
assert!(sess.diagnostic().can_emit_warnings());
});
syntax::with_default_globals(|| {
@ -105,7 +105,7 @@ fn test_can_print_warnings() {
let registry = errors::registry::Registry::new(&[]);
let (sessopts, _) = build_session_options_and_crate_config(&matches);
let sess = build_session(sessopts, None, registry);
assert!(sess.diagnostic().flags.can_emit_warnings);
assert!(sess.diagnostic().can_emit_warnings());
});
}