From: Fariborz Jahanian <fjahanian@apple.com>
Date: Sat, 4 Oct 2003 16:49:26 +0000 (+0000)
Subject: retain DECL_COMMON of old declaration
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b68a40b2805a9bc17fa85a661561f743c51fb679;p=gcc.git

retain DECL_COMMON of old declaration
Reviewed by Geoffrey Keating.

From-SVN: r72094
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6e166c9378d..c0786895aae 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-10-04  Fariborz Jahanian  <fjahanian@apple.com>
+
+	* c-decl.c (duplicate_decls): retain DECL_COMMON of old declaration
+
 2003-10-03  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* doc/extend.texi (Function Attributes): Fix title of GNU C
diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 69110efa477..7880f7f271b 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -1385,6 +1385,7 @@ duplicate_decls (tree newdecl, tree olddecl, int different_binding_level,
       if (! DECL_EXTERNAL (newdecl))
 	{
 	  DECL_CONTEXT (newdecl) = DECL_CONTEXT (olddecl);
+	  DECL_COMMON (newdecl) = DECL_COMMON (olddecl);
 	  /* If we have two non-EXTERNAL file-scope decls that are
 	     the same, only one of them should be written out.  */
 	  if (different_tu)