commit 7b920b4057cb6097898a5ec0292d31b096bd05b2
author Liz Kammer <eakammer@google.com> Tue Jun 22 16:57:27 2021 -0400
committer Liz Kammer <eakammer@google.com> Thu Jul 08 11:19:15 2021 -0400
tree 6612488919bd71462c86c0a75c22bd4a231d2452
parent d56ddb5482c94c31abfef83d3c9c70355aaf63cf

Update memtag code behavior to match comment.

Test: go test soong tests
Change-Id: I630c06f01c90256b1990c37b9236e8967a5fa316

cc/sanitize.go

diff --git a/cc/sanitize.go b/cc/sanitize.go
index 0199897..0ed0d47 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -293,9 +293,13 @@
 	}
 
 	// cc_test targets default to SYNC MemTag unless explicitly set to ASYNC (via diag: {memtag_heap}).
-	if ctx.testBinary() && s.Memtag_heap == nil {
-		s.Memtag_heap = proptools.BoolPtr(true)
-		s.Diag.Memtag_heap = proptools.BoolPtr(true)
+	if ctx.testBinary() {
+		if s.Memtag_heap == nil {
+			s.Memtag_heap = proptools.BoolPtr(true)
+		}
+		if s.Diag.Memtag_heap == nil {
+			s.Diag.Memtag_heap = proptools.BoolPtr(true)
+		}
 	}
 
 	var globalSanitizers []string