re PR ipa/65588 (lto1: internal compiler error: Segmentation fault)

	PR ipa/65588
	* gcc.target/i386/pr65588.c: New testcase.

From-SVN: r221764

gcc/testsuite/ChangeLog

+2015-03-27  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/65588
+	* gcc.target/i386/pr65588.c: New testcase.
+
 2015-03-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR libgfortran/65563

gcc/testsuite/gcc.target/i386/pr65588.c

+/* { dg-do link } */
+/* { dg-require-effective-target lto } */
+/* { dg-options "-O2 -flto" } */
+#ifdef __x86_64__
+register volatile int a __asm__("%rsp");
+#else
+register volatile int a __asm__("%esp");
+#endif
+__attribute__ ((used))
+int t () { a = 0; }
+int main () { a = 0; }