From: Andrew Pinski <andrew_pinski@playstation.sony.com>
Date: Sat, 28 Oct 2006 23:01:59 +0000 (+0000)
Subject: re PR c++/29295 (++ operator with bool typedef increments or operator -- with bool... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=857d325a640ab62412800b36a89f82f0e424db68;p=gcc.git

re PR c++/29295 (++ operator with bool typedef increments or operator -- with bool typedef)

2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR C++/29295
        * typeck.c (build_unary_op): Use same_type_p when comparing to
        boolean type.

2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR C++/29295
        * g++.dg/expr/bool1.C: New test.
        * g++.dg/expr/bool2.C: New test.

From-SVN: r118118
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 7e4b378e035..e7bf59f5a14 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+	PR C++/29295
+	* typeck.c (build_unary_op): Use same_type_p when comparing to 
+	boolean type.
+
 2006-10-29  Dirk Mueller  <dmueller@suse.de>
 
 	PR c++/29033
diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c
index 1faf1423b2e..0094323db75 100644
--- a/gcc/cp/typeck.c
+++ b/gcc/cp/typeck.c
@@ -4192,7 +4192,7 @@ build_unary_op (enum tree_code code, tree xarg, int noconvert)
 	  return error_mark_node;
 
 	/* Forbid using -- on `bool'.  */
-	if (TREE_TYPE (arg) == boolean_type_node)
+	if (same_type_p (TREE_TYPE (arg), boolean_type_node))
 	  {
 	    if (code == POSTDECREMENT_EXPR || code == PREDECREMENT_EXPR)
 	      {
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ca0f3127fd5..bec28c524bf 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+	PR C++/29295
+	* g++.dg/expr/bool1.C: New test.
+	* g++.dg/expr/bool2.C: New test.
+
 2006-10-28  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/28224 
diff --git a/gcc/testsuite/g++.dg/expr/bool1.C b/gcc/testsuite/g++.dg/expr/bool1.C
new file mode 100644
index 00000000000..bfb40e33092
--- /dev/null
+++ b/gcc/testsuite/g++.dg/expr/bool1.C
@@ -0,0 +1,21 @@
+// { dg-do run }
+// PR C++/29295
+// make sure that a typedef for a bool will have the
+//  the same results as a bool itself.
+
+extern "C" void abort();
+typedef bool my_bool;
+int main()
+{ 
+  my_bool b = false;
+  int i;
+
+  b++;
+  b++;
+  i = b;
+  if (i != 1)
+    abort ();
+  return 0;
+}
+
+
diff --git a/gcc/testsuite/g++.dg/expr/bool2.C b/gcc/testsuite/g++.dg/expr/bool2.C
new file mode 100644
index 00000000000..39d93c0af9d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/expr/bool2.C
@@ -0,0 +1,13 @@
+// { dg-do compile }
+// make sure that a typedef for a bool will have the
+//  the same results as a bool itself.
+
+
+typedef bool my_bool;
+int main()
+{
+  my_bool b = false;
+  b--; // { dg-error "" }
+  return 0;
+}
+