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authorAlex Crichton <alex@alexcrichton.com>2018-01-05 10:07:36 -0800
committerAlex Crichton <alex@alexcrichton.com>2018-01-05 10:51:29 -0800
commitfcdca7f2da86111704e54e932f3e5ffa31d70366 (patch)
tree196f15f61a739bd410f1530410745cd9d1b57902 /src
parent8c9bf663d4a8074e4955d1ad3f85a3b82e946297 (diff)
downloadrust-fcdca7f2da86111704e54e932f3e5ffa31d70366.tar.gz
rust-fcdca7f2da86111704e54e932f3e5ffa31d70366.zip
rustc: Don't ICE if we invalidate an invalid incr dir
This showed up on the Windows bot for testing this PR, and this pr allows
`mark_incr_comp_session_as_invalid` ok if it's already invalid, hopefully
avoiding scary ICEs and instead leaving the nicely printed errors
Diffstat (limited to 'src')
-rw-r--r--src/librustc/session/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/librustc/session/mod.rs b/src/librustc/session/mod.rs
index 54bcc64d068..19fbbe10be9 100644
--- a/src/librustc/session/mod.rs
+++ b/src/librustc/session/mod.rs
@@ -642,6 +642,7 @@ impl Session {
             IncrCompSession::Active { ref session_directory, .. } => {
                 session_directory.clone()
             }
+            IncrCompSession::InvalidBecauseOfErrors { .. } => return,
             _ => bug!("Trying to invalidate IncrCompSession `{:?}`",
                       *incr_comp_session),
         };