gcc.target/i386/shrink_wrap_1.c: Limit to lp64

Since gcc.target/i386/shrink_wrap_1.c also fails for x32, similar to ia32,
limit it to lp64.

	* gcc.target/i386/shrink_wrap_1.c: Limit to lp64.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
diff --git a/gcc/testsuite/gcc.target/i386/shrink_wrap_1.c b/gcc/testsuite/gcc.target/i386/shrink_wrap_1.c
index 30b82ab..a7b34c0 100644
--- a/gcc/testsuite/gcc.target/i386/shrink_wrap_1.c
+++ b/gcc/testsuite/gcc.target/i386/shrink_wrap_1.c
@@ -1,4 +1,4 @@
-/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-do compile { target lp64 } } */
 /* { dg-options "-O2 -mmemset-strategy=rep_8byte:-1:align -fdump-rtl-pro_and_epilogue -fno-stack-protector" } */
 
 enum machine_mode