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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [objc.dg/] [conditional-1.m] - Blame information for rev 309

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1 309 jeremybenn
/* Testing conditional warnings (without headers).  */
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/* Author: David Ayers */
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/* { dg-do compile } */
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#define nil ((id)0)
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@interface MyObject
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@end
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@protocol MyProtocol
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@end
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@interface MyProtoObject <MyProtocol>
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@end
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int
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main (int argc, char *argv[])
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{
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  id var_id = nil;
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  id <MyProtocol> var_id_p = nil;
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  MyObject *var_obj = nil;
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  MyProtoObject *var_obj_p = nil;
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  var_id = (var_id == var_obj) ? var_id : var_obj;
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  var_id = (var_id == var_obj) ? var_id : var_obj_p;
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  /* Ayers: Currently, the following test case passes for
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     technically the wrong reason (see below).
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  */
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  var_obj_p = (var_id == var_obj) ? var_obj_p : var_obj; /* { dg-warning "distinct Objective-C types" } */
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  var_obj_p = (var_id == var_obj) ? var_obj_p : var_id_p;
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  /* Ayers: The first of the following test cases
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     should probably warn for var_obj_p = var_obj,
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     yet that would require extensive changes to
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     build_conditional_expr to create a tree with
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     multiple types that the assignment would have
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     to evaluate both versions for correct diagnostics.
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  */
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  var_obj_p = (var_id == var_obj) ? var_id : var_obj;
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  var_obj_p = (var_id == var_obj) ? var_id : var_obj_p;
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  return 0;
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}

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