* c-typeck.c (pedantic_lvalue_warning): Deprecate use of

	conditional expressions as lvalues.

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

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73273 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c2c2da9..1cd17d9 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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.

diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index 598e249..81eee37 100644 (file)
--- a/gcc/c-typeck.c
+++ b/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)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7420ded..87302ad 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+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.

diff --git a/gcc/testsuite/gcc.dg/cond-lvalue-1.c b/gcc/testsuite/gcc.dg/cond-lvalue-1.c
new file mode 100644 (file)
index 0000000..1765546
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cond-lvalue-1.c
@@ -0,0 +1,12 @@
+/* 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" } */
+}