From d7d0ebb65c646a62d8a32fc15e097ab545e99512 Mon Sep 17 00:00:00 2001
From: Kai Nacke <kai@redstar.de>
Date: Wed, 27 Nov 2013 22:43:59 +0100
Subject: [PATCH] Add new version identifiers if a sanitizer is specified.

---
 driver/main.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/driver/main.cpp b/driver/main.cpp
index 50c4563fb3..4646d4337b 100644
--- a/driver/main.cpp
+++ b/driver/main.cpp
@@ -636,6 +636,21 @@ static void registerPredefinedVersions() {
 
     registerPredefinedTargetVersions();
 
+#if LDC_LLVM_VER >= 303
+    // Pass sanitizer arguments to linker. Requires clang.
+    if (opts::sanitize == opts::AddressSanitizer) {
+        VersionCondition::addPredefinedGlobalIdent("LDC_AddressSanitizer");
+    }
+
+    if (opts::sanitize == opts::MemorySanitizer) {
+        VersionCondition::addPredefinedGlobalIdent("LDC_MemorySanitizer");
+    }
+
+    if (opts::sanitize == opts::ThreadSanitizer) {
+        VersionCondition::addPredefinedGlobalIdent("LDC_ThreadSanitizer");
+    }
+#endif
+
     // Expose LLVM version to runtime
 #define STR(x) #x
 #define XSTR(x) STR(x)