Document AddressSanitizer memory leak detection defaults

rust-lang · Jul 19, 2020 · 58b8620 · 58b8620
1 parent 251878e
commit 58b8620
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diff --git a/src/doc/unstable-book/src/compiler-flags/sanitizer.md b/src/doc/unstable-book/src/compiler-flags/sanitizer.md
@@ -26,6 +26,9 @@ of bugs:
 * Double-free, invalid free
 * Memory leaks
 
+The memory leak detection is enabled by default on Linux, and can be enabled
+with runtime flag `ASAN_OPTIONS=detect_leaks=1` on macOS.
+
 AddressSanitizer is supported on the following targets:
 
 * `x86_64-apple-darwin`