iconv: Suppress array out of bounds warning.

2 files changed, 12 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 588b9ecff1..c6227b73c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-01-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* iconv/loop.c: Suppress array out of bound warning caused by GCC
+	bug (GCC BZ #64739).
+
 2015-01-25  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* sysdeps/unix/sysv/linux/ia64/lowlevellock.h (lll_futex_requeue):
diff --git a/iconv/loop.c b/iconv/loop.c
index 63148e33b4..48f47620c0 100644
--- a/iconv/loop.c
+++ b/iconv/loop.c
@@ -56,7 +56,7 @@
 #include <sys/param.h>		/* For MIN.  */
 #define __need_size_t
 #include <stddef.h>
-
+#include <libc-internal.h>
 
 /* We have to provide support for machines which are not able to handled
    unaligned memory accesses.  Some of the character encodings have
@@ -392,8 +392,14 @@ SINGLE(LOOPFCT) (struct __gconv_step *step,
     {
       *inptrp = inend;
 #  ifdef STORE_REST
+
+      /* Building with -O3 GCC emits a `array subscript is above array
+	 bounds' warning.  GCC BZ #64739 has been opened for this.  */
+      DIAG_PUSH_NEEDS_COMMENT;
+      DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Warray-bounds");
       while (inptr < inend)
 	bytebuf[inlen++] = *inptr++;
+      DIAG_POP_NEEDS_COMMENT;
 
       inptr = bytebuf;
       inptrp = &inptr;