diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c
index e8e124425b..153a35d451 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-chk-ldbl-compat.c
@@ -139,6 +139,10 @@ do_test_call (void)
   /* Print in hexadecimal notation.  */
   do_test_call_rarg (stdout, "%.10La, %.10a", ld, d);
   do_test_call_varg (stdout, "%.10La, %.10a", ld, d);
+
+  /* Test positional parameters.  */
+  do_test_call_varg (stdout, "%3$Lf, %2$Lf, %1$f",
+		     (double) 1, (long double) 2, (long double) 3);
 }
 
 static int
@@ -172,7 +176,13 @@ do_test (void)
     "    __vfprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
     "     __vprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
     "   __vsnprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
-    "    __vsprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n";
+    "    __vsprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
+    "   __vasprintf_chk: 3.000000, 2.000000, 1.000000\n"
+    "    __vdprintf_chk: 3.000000, 2.000000, 1.000000\n"
+    "    __vfprintf_chk: 3.000000, 2.000000, 1.000000\n"
+    "     __vprintf_chk: 3.000000, 2.000000, 1.000000\n"
+    "   __vsnprintf_chk: 3.000000, 2.000000, 1.000000\n"
+    "    __vsprintf_chk: 3.000000, 2.000000, 1.000000\n";
   TEST_COMPARE_STRING (expected, result.out.buffer);
 
   return 0;
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c
index 2b8d424473..5b0e8d3bae 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-printf-ldbl-compat.c
@@ -130,6 +130,10 @@ do_test_call (void)
   /* Print in hexadecimal notation.  */
   do_test_call_rarg (stdout, "%.10La, %.10a", ld, d);
   do_test_call_varg (stdout, "%.10La, %.10a", ld, d);
+
+  /* Test positional parameters.  */
+  do_test_call_varg (stdout, "%3$Lf, %2$Lf, %1$f",
+		     (double) 1, (long double) 2, (long double) 3);
 }
 
 static int
@@ -163,7 +167,13 @@ do_test (void)
     "     vfprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
     "      vprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
     "    vsnprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
-    "     vsprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n";
+    "     vsprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
+    "    vasprintf: 3.000000, 2.000000, 1.000000\n"
+    "     vdprintf: 3.000000, 2.000000, 1.000000\n"
+    "     vfprintf: 3.000000, 2.000000, 1.000000\n"
+    "      vprintf: 3.000000, 2.000000, 1.000000\n"
+    "    vsnprintf: 3.000000, 2.000000, 1.000000\n"
+    "     vsprintf: 3.000000, 2.000000, 1.000000\n";
   TEST_COMPARE_STRING (expected, result.out.buffer);
 
   return 0;
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-chk-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-chk-ldbl-compat.c
index 0dcabec38a..49174625d4 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-chk-ldbl-compat.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-chk-ldbl-compat.c
@@ -85,6 +85,10 @@ do_test_call (void)
   /* Print in hexadecimal notation.  */
   do_test_call_rarg (stdout, L"%.10La, %.10a", ld, d);
   do_test_call_varg (stdout, L"%.10La, %.10a", ld, d);
+
+  /* Test positional parameters.  */
+  do_test_call_varg (stdout, L"%3$Lf, %2$Lf, %1$f",
+		     (double) 1, (long double) 2, (long double) 3);
 }
 
 static int
@@ -106,7 +110,10 @@ do_test (void)
     "     __wprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
     "   __vfwprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
     "   __vswprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
-    "    __vwprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n";
+    "    __vwprintf_chk: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
+    "   __vfwprintf_chk: 3.000000, 2.000000, 1.000000\n"
+    "   __vswprintf_chk: 3.000000, 2.000000, 1.000000\n"
+    "    __vwprintf_chk: 3.000000, 2.000000, 1.000000\n";
   TEST_COMPARE_STRING (expected, result.out.buffer);
 
   return 0;
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c
index def4337571..008275f529 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c
@@ -83,6 +83,10 @@ do_test_call (void)
   /* Print in hexadecimal notation.  */
   do_test_call_rarg (stdout, L"%.10La, %.10a", ld, d);
   do_test_call_varg (stdout, L"%.10La, %.10a", ld, d);
+
+  /* Test positional parameters.  */
+  do_test_call_varg (stdout, L"%3$Lf, %2$Lf, %1$f",
+		     (double) 1, (long double) 2, (long double) 3);
 }
 
 static int
@@ -104,7 +108,10 @@ do_test (void)
     "      wprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
     "    vfwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
     "    vswprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
-    "     vwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n";
+    "     vwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
+    "    vfwprintf: 3.000000, 2.000000, 1.000000\n"
+    "    vswprintf: 3.000000, 2.000000, 1.000000\n"
+    "     vwprintf: 3.000000, 2.000000, 1.000000\n";
   TEST_COMPARE_STRING (expected, result.out.buffer);
 
   return 0;
