LTO: display file name if LTO version check fails

	* lto-section-in.c (lto_get_section_data): Call
	lto_check_version with additional argument.
	* lto-streamer.c (lto_check_version): Add new argument.
	* lto-streamer.h (lto_check_version): Likewise.

From-SVN: r236464

gcc/ChangeLog

+2016-05-19  Martin Liska  <mliska@suse.cz>
+
+	* lto-section-in.c (lto_get_section_data): Call
+	lto_check_version with additional argument.
+	* lto-streamer.c (lto_check_version): Add new argument.
+	* lto-streamer.h (lto_check_version): Likewise.
+
 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):

gcc/lto-section-in.c

@@ -168,7 +168,8 @@ lto_get_section_data (struct lto_file_decl_data *file_data,
     }
 
   lto_check_version (((const lto_header *)data)->major_version,
-		     ((const lto_header *)data)->minor_version);
+		     ((const lto_header *)data)->minor_version,
+		     file_data->file_name);
   return data;
 }
 

gcc/lto-streamer.c

@@ -376,12 +376,13 @@ lto_orig_address_remove (tree t)
 /* Check that the version MAJOR.MINOR is the correct version number.  */
 
 void
-lto_check_version (int major, int minor)
+lto_check_version (int major, int minor, const char *file_name)
 {
   if (major != LTO_major_version || minor != LTO_minor_version)
     fatal_error (input_location,
-		 "bytecode stream generated with LTO version %d.%d instead "
-	         "of the expected %d.%d",
+		 "bytecode stream in file '%s' generated with LTO version "
+		 "%d.%d instead of the expected %d.%d",
+		 file_name,
 		 major, minor,
 		 LTO_major_version, LTO_minor_version);
 }

gcc/lto-streamer.h

@@ -844,7 +844,7 @@ extern void lto_orig_address_map (tree, intptr_t);
 extern intptr_t lto_orig_address_get (tree);
 extern void lto_orig_address_remove (tree);
 #endif
-extern void lto_check_version (int, int);
+extern void lto_check_version (int, int, const char *);
 extern void lto_streamer_hooks_init (void);
 
 /* In lto-streamer-in.c */