c-typeck.c (pedantic_lvalue_warning): Deprecate use of conditional expressions as lvalues.

	* c-typeck.c (pedantic_lvalue_warning): Deprecate use of
	conditional expressions as lvalues.

testsuite:
	* gcc.dg/cond-lvalue-1.c: New test.

From-SVN: r73273

gcc/ChangeLog

+2003-11-05  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+	* c-typeck.c (pedantic_lvalue_warning): Deprecate use of
+	conditional expressions as lvalues.
+
 2003-11-05  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* tsystem.h: Add the prototype of strlen.

gcc/c-typeck.c

@@ -2588,8 +2588,7 @@ pedantic_lvalue_warning (enum tree_code code)
   switch (code)
     {
     case COND_EXPR:
-      if (pedantic)
-	pedwarn ("ISO C forbids use of conditional expressions as lvalues");
+      pedwarn ("use of conditional expressions as lvalues is deprecated");
       break;
     case COMPOUND_EXPR:
       if (pedantic)

gcc/testsuite/ChangeLog

+2003-11-05  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+	* gcc.dg/cond-lvalue-1.c: New test.
+
 2003-11-05  Gernot Hillier  <gernot.hillier@siemens.com>
 
 	* g++.old-deja/g++.pt/asm1.C: Enable for e.g. x86_64-*-linux-gnu.

gcc/testsuite/gcc.dg/cond-lvalue-1.c

+/* Test for deprecation of conditional expressions as lvalues.  */
+/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+int x, y, z;
+
+void
+foo (void)
+{
+  (x ? y : z) = 1; /* { dg-warning "lvalue" "conditional expression as lvalue deprecated" } */
+}