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authorNiko Matsakis <niko@alum.mit.edu>2019-09-19 10:30:46 -0400
committerNiko Matsakis <niko@alum.mit.edu>2019-09-19 10:31:01 -0400
commite35698371d36da83d3aca8322ad812fa5512b90f (patch)
treed6e5382e251b6e546d4d125ed3637b3c8688143e
parent9a447a232e3d17d7dea7eeeda51cbc9a28d497dc (diff)
make clear that `invalidate` just replaces with `default`
-rw-r--r--src/librustc_mir/build/scope.rs3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/librustc_mir/build/scope.rs b/src/librustc_mir/build/scope.rs
index 3c735c8cb09..9c1acb3faae 100644
--- a/src/librustc_mir/build/scope.rs
+++ b/src/librustc_mir/build/scope.rs
@@ -189,8 +189,7 @@ pub enum BreakableTarget {
 
 impl CachedBlock {
     fn invalidate(&mut self) {
-        self.generator_drop = None;
-        self.unwind = None;
+        *self = CachedBlock::default();
     }
 
     fn get(&self, generator_drop: bool) -> Option<BasicBlock> {