Merge GCC 4.8.3

Change-Id: I0abe59f7705b3eccc6b2f123af75b2e30917696a

3 files changed, 78 insertions, 0 deletions

diff --git a/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr58794-1.c b/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr58794-1.c
new file mode 100644
index 000000000..175629fec
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr58794-1.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+
+struct S0
+{
+  int f;
+};
+
+struct S1
+{
+  struct S0 f1;
+  volatile int f2;
+};
+
+struct S2
+{
+  struct S1 g;
+} a, b; 
+
+static int *c[1][2] = {{0, (int *)&a.g.f2}};
+static int d; 
+
+int
+main ()
+{
+  for (d = 0; d < 1; d++)
+    for (b.g.f1.f = 0; b.g.f1.f < 1; b.g.f1.f++)
+      *c[b.g.f1.f][d + 1] = 0;
+  return 0;
+}
diff --git a/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr58794-2.c b/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr58794-2.c
new file mode 100644
index 000000000..767798806
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr58794-2.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+
+struct S 
+{
+  volatile int f;
+} a;
+
+unsigned int b;
+
+static int *c[1][2] = {{0, (int *)&a.f}};
+static unsigned int d;
+
+int 
+main ()
+{
+  for (; d < 1; d++)
+    for (; b < 1; b++)
+      *c[b][d + 1] = 0;
+
+  return 0;
+}
diff --git a/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr60026.c b/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr60026.c
new file mode 100644
index 000000000..1cc5f55a4
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/c-c++-common/torture/pr60026.c
@@ -0,0 +1,28 @@
+/* PR ipa/60026 */
+/* { dg-do compile } */
+
+struct S { int f; } a;
+
+__attribute__((optimize (0)))
+struct S foo (int x, struct S y)
+{
+  int b = y.f;
+  return a; 
+}
+
+void
+bar ()
+{
+  while (a.f)
+    {
+      struct S c = {0};
+      foo (0, c);
+    }
+}
+
+int
+main ()
+{
+  bar (); 
+  return 0;
+}