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, 51 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/i386/pr25293.c b/gcc/testsuite/gcc.target/i386/pr25293.c
new file mode 100644
index 000000000..6217da2a0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr25293.c
@@ -0,0 +1,51 @@
+/* PR target/25293 */
+/* { dg-do compile } */
+/* { dg-options "-mpreferred-stack-boundary=2 -mtune=i586 -O2 -fomit-frame-pointer -g" } */
+/* { dg-require-effective-target ilp32 } */
+
+struct T { unsigned short t1, t2, t3, t4, t5, t6, t7; };
+struct S { struct T s1; unsigned short s2, s3; };
+unsigned short v1;
+int f1 (void);
+int f2 (struct T);
+int f3 (const char *);
+
+int
+foo (struct S *x, struct T y)
+{
+  unsigned short a, b, c;
+  unsigned long d, e;
+  int f = 0;
+  y.t6 = 6;
+  a = y.t7;
+  b = y.t6;
+  c = y.t7;
+  switch (a)
+    {
+    case 8:
+    case 7:
+      c = 9;
+      break;
+    case 1:
+    case 6:
+    case 3:
+      b = 16;
+      c = 9;
+      break;
+    }
+  if ((f = f1 ()))
+    goto error;
+  if ((f = f2 (y)))
+    goto error;
+  d = (long) &y;
+  e = (long) &x->s1;
+  __asm __volatile ("" : "+D" (e), "+S" (d) :: "memory");
+  x->s2 = b;
+  x->s3 = c;
+  f3 ("foo");
+  return 0;
+error:
+  if (v1 >= 1)
+    f3 ("bar");
+  return f;
+}