D29039.diff
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	diff --git a/lib/msun/tests/logarithm_test.c b/lib/msun/tests/logarithm_test.c
	--- a/lib/msun/tests/logarithm_test.c
	+++ b/lib/msun/tests/logarithm_test.c
	@@ -212,6 +212,17 @@
	};
	unsigned i;

	+ long double log1p_ldbl_ulp = LDBL_ULP();
	+#if LDBL_MANT_DIG > 64
	+ /*
	+ * On ld128 platforms the log1p() implementation provides less accuracy,
	+ * but does still match the ld80 precision. Use the ld80 LDBL_ULP()
	+ * value for now to avoid losing test coverage for the other functions.
	+ * Reported as https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253984
	+ */
	+ log1p_ldbl_ulp = ldexpl(1.0, 1 - 64);
	+#endif
	+
	for (i = 0; i < nitems(tests); i++) {
	test_tol(log2, tests[i].x, tests[i].log2x, DBL_ULP());
	test_tol(log2f, tests[i].x, tests[i].log2x, FLT_ULP());
	@@ -228,7 +239,7 @@
	test_tol(log1pf, tests[i].x - 1, tests[i].logex,
	FLT_ULP());
	test_tol(log1pl, tests[i].x - 1, tests[i].logex,
	- LDBL_ULP());
	+ log1p_ldbl_ulp);
	}
	}
	}
	@@ -236,6 +247,11 @@
	ATF_TC_WITHOUT_HEAD(log1p_accuracy_tests);
	ATF_TC_BODY(log1p_accuracy_tests, tc)
	{
	+#if LDBL_MANT_DIG > 64
	+ if (atf_tc_get_config_var_as_bool_wd(tc, "ci", false))
	+ atf_tc_expect_fail("https://bugs.freebsd.org/253984");
	+#endif
	+
	test_tol(log1pf, 0x0.333333p0F,
	1.82321546859847114303367992804596800640e-1L, FLT_ULP());
	test_tol(log1p, 0x0.3333333333333p0,