encode-2.m, [...]: Fix tests for systems where `char' is unsigned by default.

* objc.dg/encode-2.m, objc.dg/encode-3.m, objc.dg/encode-4.m: Fix
	tests for systems where `char' is unsigned by default.

From-SVN: r77247

gcc/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2004-02-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* objc.dg/encode-2.m, objc.dg/encode-3.m, objc.dg/encode-4.m: Fix
+	tests for systems where `char' is unsigned by default.
+
 2003-02-04  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
 
 	PR c++/13997

gcc/testsuite/objc.dg/encode-2.m

@@ -39,7 +39,7 @@ typedef struct { float x, y; } XXPoint;
 typedef struct { float width, height; } XXSize;
 typedef struct _XXRect { XXPoint origin; XXSize size; } XXRect;
 -(id)setRect:(XXRect)r withInt:(int)i;
--(void) char:(char)c float:(float)f double:(double)d long:(long)l;
+-(void) char:(signed char)c float:(float)f double:(double)d long:(long)l;
 @end
 
 XXRect my_rect;
@@ -57,7 +57,7 @@ unsigned offs1, offs2, offs3, offs4, offs5, offs6, offs7;
   CHECK_IF(offs == offs1); 
   return nil; 
 }
--(void) char:(char)c float:(float)f double:(double)d long:(long)l {
+-(void) char:(signed char)c float:(float)f double:(double)d long:(long)l {
   unsigned offs = sizeof(self);
   CHECK_IF(offs == offs3);
   offs += sizeof(_cmd);

gcc/testsuite/objc.dg/encode-3.m

@@ -28,7 +28,7 @@ union __XXAngle { unsigned int alpha, beta; };
 typedef struct { float x, y; union __XXAngle a; } XXPoint;
 typedef struct { double width, height; } XXSize;
 typedef struct _XXRect { XXPoint origin; XXSize size; struct _XXRect *next; } XXRect;
-- (void) char:(char)c float:(float)f double:(double)d unsigned:(unsigned)u short:(short)s long:(long)l;
+- (void) char:(signed char)c float:(float)f double:(double)d unsigned:(unsigned)u short:(short)s long:(long)l;
 - (void *)setRect:(XXRect)r withBool:(ProtoBool)b withInt:(int)i;
 + (Enum *)getEnum:(XXPoint *)pt enum:(enum Enum)e bool:(ObjCBool)b;
 + (ProtoBool **)getBool:(ObjCBool **)b;

gcc/testsuite/objc.dg/encode-4.m

@@ -31,7 +31,7 @@ struct Nested {
 };
 
 @interface Int1: Object {
-  char a, b;
+  signed char a, b;
   Int2 *int2;
   struct Nested nested;
 }