2 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h b/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h
index 9e0a9b354e1..a2b0e9b4d29 100644
--- a/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h
+++ b/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h
@@ -83,6 +83,7 @@ enum LLVMRustAttribute {
   StackProtectStrong = 31,
   StackProtect = 32,
   NoUndef = 33,
+  SanitizeMemTag = 34,
 };
 
 typedef struct OpaqueRustString *RustStringRef;
diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index fb9c5e6a527..bf2d6fb1252 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -226,6 +226,8 @@ static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
     return Attribute::StackProtect;
   case NoUndef:
     return Attribute::NoUndef;
+  case SanitizeMemTag:
+    return Attribute::SanitizeMemTag;
   }
   report_fatal_error("bad AttributeKind");
 }