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Diffstat (limited to 'libstdc++-v3/testsuite/18_support/numeric_limits/lowest.cc')
-rw-r--r--libstdc++-v3/testsuite/18_support/numeric_limits/lowest.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libstdc++-v3/testsuite/18_support/numeric_limits/lowest.cc b/libstdc++-v3/testsuite/18_support/numeric_limits/lowest.cc
index 49c1c4d6953..b44dcf42826 100644
--- a/libstdc++-v3/testsuite/18_support/numeric_limits/lowest.cc
+++ b/libstdc++-v3/testsuite/18_support/numeric_limits/lowest.cc
@@ -74,7 +74,7 @@ void test01()
do_test<unsigned long long>();
// GNU Extensions.
-#ifdef _GLIBCXX_USE_INT128
+#ifdef __SIZEOF_INT128__
do_test<__int128>();
do_test<unsigned __int128>();
#endif