diff options
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/ffi/c_str.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libstd/ffi/c_str.rs b/src/libstd/ffi/c_str.rs index d6a5efbd279..6f5ce350e6c 100644 --- a/src/libstd/ffi/c_str.rs +++ b/src/libstd/ffi/c_str.rs @@ -314,9 +314,11 @@ impl CString { } // Turns this `CString` into an empty string to prevent -// memory unsafe code from working by accident. +// memory unsafe code from working by accident. Inline +// to prevent LLVM from optimizing it away in debug builds. #[stable(feature = "cstring_drop", since = "1.13.0")] impl Drop for CString { + #[inline] fn drop(&mut self) { unsafe { *self.inner.get_unchecked_mut(0) = 0; } } |