From: Richard Stallman <rms@gnu.org>
Date: Tue, 16 Mar 1993 04:53:55 +0000 (+0000)
Subject: (grokdeclarator): Error for div by 0 in array size.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1a6603daede2865e5ffc12f493df87ff834cc292;p=gcc.git

(grokdeclarator): Error for div by 0 in array size.

From-SVN: r3753
---

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index e9b722dae09..80844596da8 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -4087,7 +4087,12 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
 	      else
 		{
 		  if (pedantic)
-		    pedwarn ("ANSI C forbids variable-size array `%s'", name);
+		    {
+		      if (TREE_CONSTANT (size))
+			pedwarn ("ANSI C forbids array `%s' whose size can't be evaluated", name);
+		      else
+			pedwarn ("ANSI C forbids variable-size array `%s'", name);
+		    }
 		  itype = build_binary_op (MINUS_EXPR, size, integer_one_node,
 					   1);
 		  /* Make sure the array size remains visibly nonconstant