From: H.J. Lu <hjl.tools@gmail.com>
Date: Wed, 8 Apr 2015 16:25:08 +0000 (-0700)
Subject: Work around a GCC uninitialized warning bug
X-Git-Tag: gdb-7.10-branchpoint~796
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5150992626e67d2f6d1573737e06126bfb712c30;p=thirdparty%2Fbinutils-gdb.git

Work around a GCC uninitialized warning bug

	* compress.c (bfd_compress_section_contents): Work around a GCC
	uninitialized warning bug fixed in GCC 4.7.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 68e13c5bc7b..c7050af943b 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2015-04-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* compress.c (bfd_compress_section_contents): Work around a GCC
+	uninitialized warning bug fixed in GCC 4.7.
+
 2015-04-08  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* archive.c (_bfd_get_elt_at_filepos): Also copy BFD_COMPRESS_GABI
diff --git a/bfd/compress.c b/bfd/compress.c
index ba9fc9675ac..17b24e8ad02 100644
--- a/bfd/compress.c
+++ b/bfd/compress.c
@@ -79,7 +79,12 @@ bfd_compress_section_contents (bfd *abfd, sec_ptr sec,
   bfd_byte *buffer;
   bfd_size_type buffer_size;
   bfd_boolean decompress;
+#if defined(__GNUC__) && GCC_VERSION < 4007
+  /* Work around a GCC uninitialized warning bug fixed in GCC 4.7.  */
+  int zlib_size = 0;
+#else
   int zlib_size;
+#endif
   int orig_compression_header_size;
   int compression_header_size
     = bfd_get_compression_header_size (abfd, NULL);