From: Martin Liska <mliska@suse.cz>
Date: Thu, 4 Jul 2019 11:38:28 +0000 (+0200)
Subject: Fix loading of lto_section on strict alignment targets (PR lto/91078).
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=70980ea225624d49591ae24262c55f2328517b62;p=gcc.git

Fix loading of lto_section on strict alignment targets (PR lto/91078).

2019-07-04  Martin Liska  <mliska@suse.cz>

	PR lto/91078
	* lto-common.c (lto_file_finalize): Use memcpy to set
	file_data->lto_section_header.

From-SVN: r273077
---

diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 23ad84ecc75..871598cae51 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,9 @@
+2019-07-04  Martin Liska  <mliska@suse.cz>
+
+	PR lto/91078
+	* lto-common.c (lto_file_finalize): Use memcpy to set
+	file_data->lto_section_header.
+
 2019-07-03  Martin Liska  <mliska@suse.cz>
 
 	* lto-common.c: Read LTO section and verify header.
diff --git a/gcc/lto/lto-common.c b/gcc/lto/lto-common.c
index bc8c2b40387..3c6d7b25ddb 100644
--- a/gcc/lto/lto-common.c
+++ b/gcc/lto/lto-common.c
@@ -2199,7 +2199,7 @@ lto_file_finalize (struct lto_file_decl_data *file_data, lto_file *file)
       return;
     }
 
-  file_data->lto_section_header = *(const lto_section *)data;
+  memcpy (&file_data->lto_section_header, data, sizeof (lto_section));
   lto_check_version (file_data->lto_section_header.major_version,
 		     file_data->lto_section_header.minor_version,
 		     file_data->file_name);