diff --git a/test/dynamic_cast.pass.cpp b/test/dynamic_cast.pass.cpp
index 49ecddb..c1a5980 100644
--- a/test/dynamic_cast.pass.cpp
+++ b/test/dynamic_cast.pass.cpp
@@ -6,13 +6,15 @@
 //
 //===----------------------------------------------------------------------===//
 
+// XFAIL: gcc-7, gcc-8, gcc-9
+
 #include <cassert>
 
 // This test explicitly tests dynamic cast with types that have inaccessible
 // bases.
 #if defined(__clang__)
 #   pragma clang diagnostic ignored "-Winaccessible-base"
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) && (__GNUC__ >= 10)
 #   pragma GCC diagnostic ignored "-Winaccessible-base"
 #endif
 
diff --git a/test/dynamic_cast3.pass.cpp b/test/dynamic_cast3.pass.cpp
index 9c25cac..2364f4c 100644
--- a/test/dynamic_cast3.pass.cpp
+++ b/test/dynamic_cast3.pass.cpp
@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// XFAIL: gcc-7, gcc-8, gcc-9
+
 #include <cassert>
 #include "support/timer.h"
 
@@ -13,7 +15,7 @@
 // bases.
 #if defined(__clang__)
 #   pragma clang diagnostic ignored "-Winaccessible-base"
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) && (__GNUC__ >= 10)
 #   pragma GCC diagnostic ignored "-Winaccessible-base"
 #endif
 
diff --git a/test/dynamic_cast5.pass.cpp b/test/dynamic_cast5.pass.cpp
index 0a9689c..357bb80 100644
--- a/test/dynamic_cast5.pass.cpp
+++ b/test/dynamic_cast5.pass.cpp
@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// XFAIL: gcc-7, gcc-8, gcc-9
+
 #include <cassert>
 #include "support/timer.h"
 
@@ -13,7 +15,7 @@
 // bases.
 #if defined(__clang__)
 #   pragma clang diagnostic ignored "-Winaccessible-base"
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) && (__GNUC__ >= 10)
 #   pragma GCC diagnostic ignored "-Winaccessible-base"
 #endif
 
diff --git a/test/unwind_06.pass.cpp b/test/unwind_06.pass.cpp
index 0c34c49..f8e9f89 100644
--- a/test/unwind_06.pass.cpp
+++ b/test/unwind_06.pass.cpp
@@ -14,7 +14,7 @@
 #include <stdio.h>
 
 // Suppress diagnostics about deprecated volatile operations
-#if defined(__GNUC__) && !defined(__clang__)
+#if defined(__GNUC__) && (__GNUC__ >= 10) && !defined(__clang__)
 # pragma GCC diagnostic ignored "-Wvolatile"
 #endif