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authorbors <bors@rust-lang.org>2019-01-14 23:00:50 +0000
committerbors <bors@rust-lang.org>2019-01-14 23:00:50 +0000
commitaea9f0aa976db2f5de28be3b6b287c6889cd926b (patch)
tree1f45e79c5694619f8b0ea8a4652abce5a2c49a52 /src/liballoc/vec.rs
parent03acbd71c977cd63ce5f39ba9b6fe9ffd578785a (diff)
parent8a62e393b8fba95e989020f2efbf846ca02113f9 (diff)
downloadrust-aea9f0aa976db2f5de28be3b6b287c6889cd926b.tar.gz
rust-aea9f0aa976db2f5de28be3b6b287c6889cd926b.zip
Auto merge of #57607 - Centril:rollup, r=Centril
Rollup of 8 pull requests

Successful merges:

 - #57043 (Fix poor worst case performance of set intersection)
 - #57480 (Clean up and fix a bug in query plumbing)
 - #57481 (provide suggestion for invalid boolean cast)
 - #57540 (Modify some parser diagnostics to continue evaluating beyond the parser)
 - #57570 (Querify local `plugin_registrar_fn` and `proc_macro_decls_static`)
 - #57572 (Unaccept `extern_in_paths`)
 - #57585 (Recover from item trailing semicolon)
 - #57589 (Add a debug_assert to Vec::set_len)

Failed merges:

r? @ghost
Diffstat (limited to 'src/liballoc/vec.rs')
-rw-r--r--src/liballoc/vec.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
index e1c5ab15bb5..ba3b3dfbfc2 100644
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@@ -819,6 +819,8 @@ impl<T> Vec<T> {
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
     pub unsafe fn set_len(&mut self, new_len: usize) {
+        debug_assert!(new_len <= self.capacity());
+
         self.len = new_len;
     }