From: Richard Henderson <rth@gcc.gnu.org>
Date: Wed, 11 Feb 1998 01:01:58 +0000 (-0800)
Subject: Comment the subtraction change.
X-Git-Tag: prereleases/egcs-1.0.2-prerelease~49
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ceeccef8ac519b726982179437d85159c106a8a;p=thirdparty%2Fgcc.git

Comment the subtraction change.

From-SVN: r17851
---

diff --git a/gcc/f/com.c b/gcc/f/com.c
index a63864a1ad5d..04ca03e2d825 100644
--- a/gcc/f/com.c
+++ b/gcc/f/com.c
@@ -13030,6 +13030,8 @@ ffecom_ptr_to_expr (ffebld expr)
 	     i >= 0;
 	     --i, array = TYPE_MAIN_VARIANT (TREE_TYPE (array)))
 	  {
+	    /* The initial subtraction should happen in the original type so
+	       that (possible) negative values are handled appropriately.  */
 	    item
 	      = ffecom_2 (PLUS_EXPR,
 			  build_pointer_type (TREE_TYPE (array)),