From: Richard Biener <rguenther@suse.de>
Date: Mon, 16 Feb 2015 14:53:23 +0000 (+0000)
Subject: re PR lto/65015 (LTO produces randomly ordered debug information)
X-Git-Tag: releases/gcc-5.1.0~938
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d4df88383829724b4bfcce7aff13ad8662e182a;p=thirdparty%2Fgcc.git

re PR lto/65015 (LTO produces randomly ordered debug information)

2015-02-16  Richard Biener  <rguenther@suse.de>

	PR lto/65015
	* varasm.c (default_file_start): For LTO produced units
	emit <artificial> as file directive.

From-SVN: r220735
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4062b065bad9..e049c99a7916 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-02-16  Richard Biener  <rguenther@suse.de>
+
+	PR lto/65015
+	* varasm.c (default_file_start): For LTO produced units
+	emit <artificial> as file directive.
+
 2015-02-16  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/63593
diff --git a/gcc/varasm.c b/gcc/varasm.c
index 0211306dba26..748549937891 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -7043,7 +7043,13 @@ default_file_start (void)
     fputs (ASM_APP_OFF, asm_out_file);
 
   if (targetm.asm_file_start_file_directive)
-    output_file_directive (asm_out_file, main_input_filename);
+    {
+      /* LTO produced units have no meaningful main_input_filename.  */
+      if (in_lto_p)
+	output_file_directive (asm_out_file, "<artificial>");
+      else
+	output_file_directive (asm_out_file, main_input_filename);
+    }
 }
 
 /* This is a generic routine suitable for use as TARGET_ASM_FILE_END