diff --git a/compiler-rt/test/asan/TestCases/suppressions-alloc-dealloc-mismatch.cpp b/compiler-rt/test/asan/TestCases/suppressions-alloc-dealloc-mismatch.cpp
index 6ab796b1c76a6..7f592c83216fd 100644
--- a/compiler-rt/test/asan/TestCases/suppressions-alloc-dealloc-mismatch.cpp
+++ b/compiler-rt/test/asan/TestCases/suppressions-alloc-dealloc-mismatch.cpp
@@ -10,8 +10,9 @@
 // XFAIL: android
 
 // FIXME: atos does not work for inlined functions, yet llvm-symbolizer
-// does not always work with debug info on Darwin.
+// does not always work with debug info on Darwin. Behavior is similar on MSVC x86 outside of /Od.
 // UNSUPPORTED: darwin
+// UNSUPPORTED: target={{.*windows-msvc.*}} && asan-32-bits
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/compiler-rt/test/asan/TestCases/suppressions-function.cpp b/compiler-rt/test/asan/TestCases/suppressions-function.cpp
index 22d3dae1f0ef0..c8ed3fd4866da 100644
--- a/compiler-rt/test/asan/TestCases/suppressions-function.cpp
+++ b/compiler-rt/test/asan/TestCases/suppressions-function.cpp
@@ -11,8 +11,9 @@
 // UNSUPPORTED: ios
 
 // FIXME: atos does not work for inlined functions, yet llvm-symbolizer
-// does not always work with debug info on Darwin.
+// does not always work with debug info on Darwin. Behavior is similar on MSVC x86 outside of /Od.
 // UNSUPPORTED: darwin
+// UNSUPPORTED: target={{.*windows-msvc.*}} && asan-32-bits
 
 #include <stdio.h>
 #include <stdlib.h>