diff --git a/gdb/testsuite/gdb.cp/call-method-register.exp b/gdb/testsuite/gdb.cp/call-method-register.exp
index a1e6498d66c..a98b11e4c11 100644
--- a/gdb/testsuite/gdb.cp/call-method-register.exp
+++ b/gdb/testsuite/gdb.cp/call-method-register.exp
@@ -26,6 +26,11 @@ if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
     return -1
 }
 
+if {![test_compiler_info gcc-*-* c++]} {
+    untested "test relies on a gcc extension"
+    return
+}
+
 proc test_call_register_class {} {
     global gdb_prompt