diff --git a/cross-project-tests/debuginfo-tests/dexter-tests/optnone-fastmath.cpp b/cross-project-tests/debuginfo-tests/dexter-tests/optnone-fastmath.cpp
index 21618980d696..9f47f6a5e0cc 100644
--- a/cross-project-tests/debuginfo-tests/dexter-tests/optnone-fastmath.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter-tests/optnone-fastmath.cpp
@@ -6,7 +6,8 @@
 // RUN:     --binary %t --debugger 'lldb' -- %s
 
 // REQUIRES: lldb
-// UNSUPPORTED: system-windows
+// Currently getting intermittent failures on darwin.
+// UNSUPPORTED: system-windows, system-darwin
 
 //// Check that the debugging experience with __attribute__((optnone)) at O2
 //// matches O0. Test scalar floating point arithmetic with -ffast-math.
diff --git a/cross-project-tests/debuginfo-tests/dexter-tests/optnone-simple-functions.cpp b/cross-project-tests/debuginfo-tests/dexter-tests/optnone-simple-functions.cpp
index 398ea5ac842a..e585c20f4a01 100644
--- a/cross-project-tests/debuginfo-tests/dexter-tests/optnone-simple-functions.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter-tests/optnone-simple-functions.cpp
@@ -6,7 +6,8 @@
 // RUN:     --binary %t --debugger 'lldb' -- %s
 
 // REQUIRES: lldb, D136396
-// UNSUPPORTED: system-windows
+// Currently getting intermittent failures on darwin.
+// UNSUPPORTED: system-windows, system-darwin
 
 //// Check that the debugging experience with __attribute__((optnone)) at O2
 //// matches O0. Test simple functions performing simple arithmetic
diff --git a/cross-project-tests/debuginfo-tests/dexter-tests/optnone-struct-and-methods.cpp b/cross-project-tests/debuginfo-tests/dexter-tests/optnone-struct-and-methods.cpp
index 57e892554d25..6aebd502614f 100644
--- a/cross-project-tests/debuginfo-tests/dexter-tests/optnone-struct-and-methods.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter-tests/optnone-struct-and-methods.cpp
@@ -6,7 +6,8 @@
 // RUN:     --binary %t --debugger 'lldb' -- %s
 
 // REQUIRES: lldb
-// UNSUPPORTED: system-windows
+// Currently getting intermittent failures on darwin.
+// UNSUPPORTED: system-windows, system-darwin
 
 //// Check that the debugging experience with __attribute__((optnone)) at O2
 //// matches O0. Test simple structs and methods.
diff --git a/cross-project-tests/debuginfo-tests/dexter-tests/optnone-vectors-and-functions.cpp b/cross-project-tests/debuginfo-tests/dexter-tests/optnone-vectors-and-functions.cpp
index f1289e5cd4d9..5c4cfc0b9c43 100644
--- a/cross-project-tests/debuginfo-tests/dexter-tests/optnone-vectors-and-functions.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter-tests/optnone-vectors-and-functions.cpp
@@ -6,7 +6,8 @@
 // RUN:     --binary %t --debugger 'lldb' -- %s
 
 // REQUIRES: lldb
-// UNSUPPORTED: system-windows
+// Currently getting intermittent failures on darwin.
+// UNSUPPORTED: system-windows, system-darwin
 
 //// Check that the debugging experience with __attribute__((optnone)) at O2
 //// matches O0. Test simple template functions performing simple arithmetic