Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/recipes-devtools/gcc/gcc-4.8/0042-pr57748.patch b/meta/recipes-devtools/gcc/gcc-4.8/0042-pr57748.patch
new file mode 100644
index 0000000..5356f72
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.8/0042-pr57748.patch
@@ -0,0 +1,78 @@
+Upstream-Status: Backport
+Signed-off-by: Khem Raj
+
+2013-08-01 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/57748
+ * stor-layout.c (compute_record_mode): Treat zero-sized array fields
+ like incomplete types.
+
+testsuite/
+ * gcc.dg/torture/pr57748.c: New test.
+
+
+Index: gcc-4.8.1/gcc/stor-layout.c
+===================================================================
+--- gcc-4.8.1.orig/gcc/stor-layout.c 2013-04-28 10:29:18.000000000 -0700
++++ gcc-4.8.1/gcc/stor-layout.c 2013-08-01 15:02:08.018006125 -0700
+@@ -1618,7 +1618,9 @@
+ && integer_zerop (TYPE_SIZE (TREE_TYPE (field)))))
+ || ! host_integerp (bit_position (field), 1)
+ || DECL_SIZE (field) == 0
+- || ! host_integerp (DECL_SIZE (field), 1))
++ || ! host_integerp (DECL_SIZE (field), 1)
++ || (TREE_CODE (TREE_TYPE (field)) == ARRAY_TYPE
++ && tree_low_cst (DECL_SIZE (field), 1) == 0))
+ return;
+
+ /* If this field is the whole struct, remember its mode so
+Index: gcc-4.8.1/gcc/testsuite/gcc.dg/torture/pr57748.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ gcc-4.8.1/gcc/testsuite/gcc.dg/torture/pr57748.c 2013-08-01 15:02:08.062006126 -0700
+@@ -0,0 +1,45 @@
++/* PR middle-end/57748 */
++/* { dg-do run } */
++
++#include <stdlib.h>
++
++extern void abort (void);
++
++typedef long long V
++ __attribute__ ((vector_size (2 * sizeof (long long)), may_alias));
++
++typedef struct S { V a; V b[0]; } P __attribute__((aligned (1)));
++
++struct __attribute__((packed)) T { char c; P s; };
++
++void __attribute__((noinline, noclone))
++check (struct T *t)
++{
++ if (t->s.b[0][0] != 3 || t->s.b[0][1] != 4)
++ abort ();
++}
++
++int __attribute__((noinline, noclone))
++get_i (void)
++{
++ return 0;
++}
++
++void __attribute__((noinline, noclone))
++foo (P *p)
++{
++ V a = { 3, 4 };
++ int i = get_i();
++ p->b[i] = a;
++}
++
++int
++main ()
++{
++ struct T *t = (struct T *) malloc (128);
++
++ foo (&t->s);
++ check (t);
++
++ return 0;
++}