From: Jim Wilson <wilson@gcc.gnu.org>
Date: Wed, 1 Sep 1993 22:59:32 +0000 (-0700)
Subject: (finish_decl): For static const variables, preserve
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=549a367ad6bf68e95e6c08fe9fb49a29a4e92177;p=gcc.git

(finish_decl): For static const variables, preserve
initializers instead of discarding them.

From-SVN: r5245
---

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index eede16315b6..eca89fa2365 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -3557,7 +3557,15 @@ finish_decl (decl, init, asmspec_tree)
 	 normal for a local extern redeclaration of an inline function
 	 to have a copy of the top-level decl's DECL_INLINE.  */
       if (DECL_INITIAL (decl) != 0)
-	DECL_INITIAL (decl) = error_mark_node;
+	{
+	  /* If this is a static const variable, then preserve the
+	     initializer instead of discarding it so that we can optimize
+	     references to it.  */
+	  if (TREE_STATIC (decl) && TREE_READONLY (decl))
+	    preserve_initializer ();
+	  else
+	    DECL_INITIAL (decl) = error_mark_node;
+	}
     }
 
 #if 0