diff options
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.8.inc | 1 | ||||
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.8/0042-pr57748.patch | 78 |
2 files changed, 79 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.8.inc b/meta/recipes-devtools/gcc/gcc-4.8.inc index 42355f2102..9d92edabc3 100644 --- a/meta/recipes-devtools/gcc/gcc-4.8.inc +++ b/meta/recipes-devtools/gcc/gcc-4.8.inc @@ -71,6 +71,7 @@ SRC_URI = "${GNU_MIRROR}/gcc/gcc-${PV}/gcc-${PV}.tar.bz2 \ file://0039-gcc-4.8-PR57717.patch \ file://0040-fix-g++-sysroot.patch \ file://0041-libtool-avoid-libdir.patch \ + file://0042-pr57748.patch \ " SRC_URI[md5sum] = "3b2386c114cd74185aa3754b58a79304" SRC_URI[sha256sum] = "545b44be3ad9f2c4e90e6880f5c9d4f0a8f0e5f67e1ffb0d45da9fa01bb05813" 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 0000000000..5356f722d9 --- /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; ++} |