Properly initialize u5

	* gcc.target/i386/iamcu/test_passing_unions.c (main): Properly
	initialize u5.

From-SVN: r228921

gcc/testsuite/ChangeLog

+2015-10-16  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc.target/i386/iamcu/test_passing_unions.c (main): Properly
+	initialize u5.
+
 2015-10-16  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR middle-end/67966

gcc/testsuite/gcc.target/i386/iamcu/test_passing_unions.c

@@ -123,7 +123,7 @@ main (void)
   struct long_struct ls;
 #endif /* CHECK_LARGER_UNION_PASSING */
   union un4 u4[8];
-  union un5 u5 = { { 48.394, 39.3, -397.9, 3484.9 } };
+  union un5 u5 = { 48.394 };
   int i;
   union un6 u6;