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

From-SVN: r3753

(grokdeclarator): Error for div by 0 in array size.
From-SVN: r3753
1a6603da · Richard Stallman · d50c1d49 · 1a6603da
Commit 1a6603da authored Mar 16, 1993 by Richard Stallman
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gcc/c-decl.c
+6 -1

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--- 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