diff --git a/compiler-rt/test/ubsan/TestCases/TypeCheck/misaligned.cpp b/compiler-rt/test/ubsan/TestCases/TypeCheck/misaligned.cpp
--- a/compiler-rt/test/ubsan/TestCases/TypeCheck/misaligned.cpp
+++ b/compiler-rt/test/ubsan/TestCases/TypeCheck/misaligned.cpp
@@ -13,6 +13,8 @@
 // RUN: not %run %t w1 2>&1 | FileCheck %s --check-prefix=CHECK-WILD
 // Compilation error make the test fails.
 // XFAIL: openbsd
+// The s1 subtest FAILs on strict-alignment targets: Bug 47015.
+// XFAIL: sparc
 
 #include <new>