obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 49 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/guality/pr36728-1.c b/gcc/testsuite/gcc.dg/guality/pr36728-1.c
new file mode 100644
index 000000000..c4ad564e1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/guality/pr36728-1.c
@@ -0,0 +1,49 @@
+/* PR debug/36728 */
+/* { dg-do run } */
+/* { dg-options "-g" } */
+
+int __attribute__((noinline))
+foo (int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7)
+{
+  char *x = __builtin_alloca (arg7);
+  int __attribute__ ((aligned(32))) y;
+
+  y = 2;
+  asm volatile ("" : "=m" (y) : "m" (y));
+  x[0] = 25;
+  asm volatile ("" : "=m" (x[0]) : "m" (x[0]));
+  return y;
+}
+
+/* On s390(x) r2 and r3 are (depending on the optimization level) used
+   when adjusting the addresses in order to meet the alignment
+   requirements above.  They usually hold the function arguments arg1
+   and arg2.  So it is expected that these values are unavailable in
+   some of these tests.  */
+
+/* { dg-final { gdb-test 12 "arg1" "1" { target { ! "s390*-*-*" } } } }*/
+/* { dg-final { gdb-test 12 "arg2" "2" { target { ! "s390*-*-*" } } } }*/
+/* { dg-final { gdb-test 12 "arg3" "3" } } */
+/* { dg-final { gdb-test 12 "arg4" "4" } } */
+/* { dg-final { gdb-test 12 "arg5" "5" } } */
+/* { dg-final { gdb-test 12 "arg6" "6" } } */
+/* { dg-final { gdb-test 12 "arg7" "30" } } */
+/* { dg-final { gdb-test 12 "y" "2" } } */
+/* { dg-final { gdb-test 14 "arg1" "1" { target { ! "s390*-*-*" } } } }*/
+/* { dg-final { gdb-test 14 "arg2" "2" { target { ! "s390*-*-*" } } } }*/
+/* { dg-final { gdb-test 14 "arg3" "3" } } */
+/* { dg-final { gdb-test 14 "arg4" "4" } } */
+/* { dg-final { gdb-test 14 "arg5" "5" } } */
+/* { dg-final { gdb-test 14 "arg6" "6" } } */
+/* { dg-final { gdb-test 14 "arg7" "30" } } */
+/* { dg-final { gdb-test 14 "*x" "(char) 25" } } */
+/* { dg-final { gdb-test 14 "y" "2" } } */
+
+int
+main ()
+{
+  int l = 0;
+  asm volatile ("" : "=r" (l) : "0" (l));
+  foo (l + 1, l + 2, l + 3, l + 4, l + 5, l + 6, l + 30);
+  return 0;
+}