Require stack size for some test-cases

2018-01-08  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/graphite/interchange-7.c: Add dg-require-stack-size.
	* gcc.dg/graphite/run-id-1.c: Same.
	* gcc.dg/tree-ssa/loop-interchange-4.c: Same.

From-SVN: r256336

gcc/testsuite/ChangeLog

+2018-01-08  Tom de Vries  <tom@codesourcery.com>
+
+	* gcc.dg/graphite/interchange-7.c: Add dg-require-stack-size.
+	* gcc.dg/graphite/run-id-1.c: Same.
+	* gcc.dg/tree-ssa/loop-interchange-4.c: Same.
+
 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/83611

gcc/testsuite/gcc.dg/graphite/interchange-7.c

 /* { dg-require-effective-target size32plus } */
+/* { dg-require-stack-size "8*111*1111" } */
 
 /* Formerly known as ltrans-8.c */
 

gcc/testsuite/gcc.dg/graphite/run-id-1.c

 /* { dg-options "-Wl,--stack,12582912" { target *-*-mingw* *-*-cygwin* } } */
 /* { dg-require-effective-target size32plus } */
+/* { dg-require-stack-size "4*1000*1000" } */
 
 void abort (void);
 

gcc/testsuite/gcc.dg/tree-ssa/loop-interchange-4.c

 /* { dg-do run } */
 /* { dg-options "-O2 -floop-interchange -fdump-tree-linterchange-details" } */
+/* { dg-require-stack-size "8*111*1111" } */
 
 /* Copied from graphite/interchange-7.c */