From: Mark Mitchell <mark@codesourcery.com>
Date: Tue, 15 Apr 2003 16:35:52 +0000 (+0000)
Subject: c-decl.c (implicitly_declare): Copy declarations that are going to be placed in a... 
X-Git-Tag: releases/gcc-3.4.0~7270
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c8b718bae9f54b8c8d33a73546c632cd7568a8db;p=thirdparty%2Fgcc.git

c-decl.c (implicitly_declare): Copy declarations that are going to be placed in a local scope.

	* c-decl.c (implicitly_declare): Copy declarations that are going
	to be placed in a local scope.

From-SVN: r65646
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5e62bc233510..23feddfdbec0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-04-15  Mark Mitchell  <mark@codesourcery.com>
+
+	* c-decl.c (implicitly_declare): Copy declarations that are going
+	to be placed in a local scope.
+
 2003-04-15  James A. Morrison  <ja2morri@uwaterloo.ca>
 
 	* invoke.texi (Spec Files): Wrap if-exists-else example.
diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 50b7219b3935..0614476c00e2 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -1872,7 +1872,13 @@ implicitly_declare (functionid)
 	    warning_with_decl (decl, "previous declaration of `%s'");
 	  C_DECL_IMPLICIT (decl) = 1;
 	}
-      return pushdecl (decl);
+      /* If this function is global, then it must already be in the
+	 global binding level, so there's no need to push it again.  */
+      if (current_binding_level == global_binding_level)
+	return decl;
+      /* If this is a local declaration, make a copy; we can't have
+	 the same DECL listed in two different binding levels.  */
+      return pushdecl (copy_node (decl));
     }
 
   /* Not seen before.  */