re PR c/11207 (ICE with negative index in array element designator)

	PR c/11207
	* c-typeck.c (set_init_index): Check for negative index.

(testsuite/)
	* gcc.dg/noncompile/20030818-1.c: New.

From-SVN: r70553

gcc/ChangeLog

+2003-08-18  Matt Kraai  <kraai@alumni.cmu.edu>
+
+	PR c/11207
+	* c-typeck.c (set_init_index): Check for negative index.
+
 2003-08-18  Bob Wilson  <bob.wilson@acm.org>
 
 	* config/xtensa/crti.asm (_init, _fini): Add alternate code for new

gcc/c-typeck.c

@@ -4956,6 +4956,8 @@ set_init_index (tree first, tree last)
     error_init ("nonconstant array index in initializer");
   else if (TREE_CODE (constructor_type) != ARRAY_TYPE)
     error_init ("array index in non-array initializer");
+  else if (tree_int_cst_sgn (first) == -1)
+    error_init ("array index in initializer exceeds array bounds");
   else if (constructor_max_index
 	   && tree_int_cst_lt (constructor_max_index, first))
     error_init ("array index in initializer exceeds array bounds");

gcc/testsuite/ChangeLog

+2003-08-18  Matt Kraai  <kraai@alumni.cmu.edu>
+
+	* gcc.dg/noncompile/20030818-1.c: New.
+
 2003-08-18  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* g++.dg/template/scope2.C: New test.

gcc/testsuite/gcc.dg/noncompile/20030818-1.c

+/* PR 11207.  */
+
+char font8x8[256][8] = { [-1] = { 0 } }; /* { dg-error "array index in initializer exceeds array bounds" } */