Rollup merge of #68164 - tmiasko:no-sanitize, r=nikomatsakis

Selectively disable sanitizer instrumentation

Add `no_sanitize` attribute that allows to opt out from sanitizer
instrumentation in an annotated function.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/librustc/middle/codegen_fn_attrs.rs b/src/librustc/middle/codegen_fn_attrs.rs
index 9f8c2020861..82adcfddc28 100644
--- a/src/librustc/middle/codegen_fn_attrs.rs
+++ b/src/librustc/middle/codegen_fn_attrs.rs
@@ -72,6 +72,14 @@ bitflags! {
         const FFI_RETURNS_TWICE         = 1 << 10;
         /// `#[track_caller]`: allow access to the caller location
         const TRACK_CALLER              = 1 << 11;
+        /// `#[no_sanitize(address)]`: disables address sanitizer instrumentation
+        const NO_SANITIZE_ADDRESS = 1 << 12;
+        /// `#[no_sanitize(memory)]`: disables memory sanitizer instrumentation
+        const NO_SANITIZE_MEMORY  = 1 << 13;
+        /// `#[no_sanitize(thread)]`: disables thread sanitizer instrumentation
+        const NO_SANITIZE_THREAD  = 1 << 14;
+        /// All `#[no_sanitize(...)]` attributes.
+        const NO_SANITIZE_ANY = Self::NO_SANITIZE_ADDRESS.bits | Self::NO_SANITIZE_MEMORY.bits | Self::NO_SANITIZE_THREAD.bits;
     }
 }