method-21.mm

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· MM 代码 · 共 27 行

/* APPLE LOCAL file mainline */
/* Test for spurious "may or may not return a value" warnings.  */
/* { dg-do compile } */
/* { dg-options "-Wextra" } */

#include <objc/Object.h>

@interface Foo: Object
- (id) meth1;
- (void) meth2;
@end

extern int bar;

@implementation Foo
- (id) meth1 {
  if (bar)
    return [Object new];
  return; /* { dg-error "return.statement with no value" } */
}
- (void) meth2 {
  if (!bar)
    return;
  bar = 0;
}
@end