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-rw-r--r--absl/debugging/leak_check.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/absl/debugging/leak_check.h b/absl/debugging/leak_check.h
index 5fc2b052..eff162f6 100644
--- a/absl/debugging/leak_check.h
+++ b/absl/debugging/leak_check.h
@@ -24,7 +24,24 @@
// Note: this leak checking API is not yet supported in MSVC.
// Leak checking is enabled by default in all ASan builds.
//
-// See https://github.com/google/sanitizers/wiki/AddressSanitizerLeakSanitizer
+// https://clang.llvm.org/docs/LeakSanitizer.html
+// https://github.com/google/sanitizers/wiki/AddressSanitizerLeakSanitizer
+//
+// GCC and Clang both automatically enable LeakSanitizer when AddressSanitizer
+// is enabled. To use the mode, simply pass `-fsanitize=address` to both the
+// compiler and linker. An example Bazel command could be
+//
+// $ bazel test --copt=-fsanitize=address --linkopt=-fsanitize=address ...
+//
+// GCC and Clang auto support a standalone LeakSanitizer mode (a mode which does
+// not also use AddressSanitizer). To use the mode, simply pass
+// `-fsanitize=leak` to both the compiler and linker. Since GCC does not
+// currently provide a way of detecting this mode at compile-time, GCC users
+// must also pass -DLEAK_SANIITIZER to the compiler. An example Bazel command
+// could be
+//
+// $ bazel test --copt=-DLEAK_SANITIZER --copt=-fsanitize=leak
+// --linkopt=-fsanitize=leak ...
//
// -----------------------------------------------------------------------------
#ifndef ABSL_DEBUGGING_LEAK_CHECK_H_